三彩筆記 vol.51 蘇黎世瑞特堡博物館：唐三彩藍釉梅花紋粉盒 - Rietberg Museum, Tang Sancai Twin Dragon Handle Vase
- SACA
- 3 days ago
- 15 min read
、
唐三彩藍釉梅花紋粉盒
唐代（618–907年）陶瓷工藝的珍稀傑作，屬於低溫鉛釉多色陶器（sancai 三彩），以藍釉為主色調極其罕見。唐代藍釉主要依賴從西域（波斯/伊朗地區）進口的鈷料著色，其價格高昂，往往數倍甚至數十倍於黃金，因此藍釉三彩器幾乎限於皇室、貴族或高級墓葬使用，非一般民間所能及。
此粉盒（蓋盒/化妝盒）器型小巧精緻，直徑約8厘米，用於盛放婦女化妝用的鉛粉或胭脂。盒身與蓋面飾以花卉紋樣（Blumendekor，花卉裝飾），梅花瓣或類似花瓣圖案主要透過藍釉直接渲染主體，輔以綠、黃、白等三彩（或多色）潑灑、刷塗或點綴，創造自然流動的斑駁層次與華麗視覺效果。許多同類唐三彩藍釉小盒採用蠟阻技法（wax-resist technique，從紡織蠟染借鑒）保留白地或淺色區域，形成花瓣清晰對比；藍釉流淌自然，積釉處呈深沉寶石藍，薄釉處透出胎體或白色化妝土的白度，常見細碎開片（crazing）或輕微虹彩光澤，增添古樸而立體的韻味。
梅花紋在唐代陶瓷中象徵高潔與早春報喜，常見於貴族女性用品，體現唐人審美中對自然花卉的浪漫情懷。此類藍釉梅花粉盒存世極少，類似例見於大都會博物館等收藏，但玫茵堂舊藏此對（或類似）更顯精美完整，釉色鮮豔、紋飾清晰，堪稱唐代藍彩三彩的頂級代表，反映盛唐物質文化與中西交流的輝煌。
玫茵堂兄弟介紹
玫茵堂（Meiyintang Collection）是當今最重要的海外中國瓷器私人收藏之一，由瑞士兄弟史蒂芬·祖利格（Stephen Zuellig，1917–2017）和吉爾伯特·祖利格（Gilbert Zuellig，1918–2009）及其家族所建，收藏超過2400件中國陶瓷、瓷器和青銅器，涵蓋新石器時代至清代，尤以唐宋元明瓷器精絕著稱。祖利格兄弟（兩人出生於菲律賓馬尼拉，父母為瑞士人）自20世紀50年代晚期起系統蒐集，注重品質、斷代與稀有度，早年受著名古董商仇焱之（Edward T. Chow）指導，藏品多經國際拍賣、博物館展覽驗證。吉爾伯特專注於新石器至宋代的早期陶器、石器和陶瓷，而史蒂芬則收藏元、明、清瓷器及商、周、戰國時期的古代青銅器。該收藏於2011–2012年部分元明清瓷器在蘇富比拍賣售出（包括著名的明成化雞缸杯），而早期部分多轉入玫茵堂基金會，並長期借展於瑞士蘇黎世瑞特堡博物館（Museum Rietberg），約600件展出。由學者雷吉娜·克拉爾（Regina Krahl）編著的多卷本圖錄成為業界權威參考。
基本資料 (Basic Information)
器名：唐三彩藍釉梅花紋粉盒（或蓋盒） / Tang Sancai Blue-Glazed Plum Blossom Pattern Powder Box (Pair of Lidded Boxes)
時代：唐代，8世紀 / Tang Dynasty, 8th century
材質：陶胎，低溫鉛釉多色（三彩，含藍釉） / Earthenware with lead polychrome glaze (sancai, including cobalt blue)
尺寸：直徑約8 cm 及 7.8 cm / Diameter approx. 8 cm and 7.8 cm
收藏：玫茵堂舊藏，現長期借展於瑞士蘇黎世瑞特堡博物館（Museum Rietberg），館藏編號 MYT 1246
特點：藍釉極罕見，梅花紋裝飾，皇家/貴族級珍品
唐三彩藍釉梅花粉盒問答
唐三彩藍釉為何在唐代陶瓷中如此珍稀與珍貴？
唐代藍釉主要依賴從中亞（波斯/伊朗地區）經絲綢之路進口的鈷料（cobalt oxide）著色，此物料極其昂貴，價格往往數倍至數十倍於黃金，且發色技術要求極高（需精準控溫，避免燒毀或色澤不純）。因此，藍釉三彩器幾乎限於皇室、貴族或高級墓葬使用，非一般民間所能擁有。MYT 1246 此對小粉盒以藍釉為主調，屬頂級稀有例，彰顯盛唐奢華與中西交流的物質高峰。
盒上的梅花紋（或花卉紋）有何象徵與文化意義？
梅花耐寒先開，象徵高潔、堅韌與報春生機，在唐代貴族女性用品中常見，寓意美麗、高雅與自然詩意。唐人審美偏好纏枝或散點花卉，此粉盒蓋面與盒身以模印或刻劃裝飾梅花（或類似寶相花/纏枝花），藍釉渲染花瓣主體，輔以綠、黃、白等三彩點綴，層次豐富、富麗堂皇，反映唐代女性化妝文化中對花卉浪漫情懷與地位象徵。
此對粉盒的製作工藝與藍釉特點是什麼？
器型小巧（直徑約8 cm 與 7.8 cm），適合盛放婦女化妝用的鉛粉或胭脂。製作時，先以白土或淺色陶胎成型（多為模製或輪製），可能施加白色化妝土（slip/engobe）以提升釉色亮度。花卉紋樣（如梅花）通常透過潑灑、刷塗或澆淋低溫鉛釉直接創作圖案，創造自然流淌與斑駁效果；部分例證顯示使用蠟阻法（resist-wax technique，從紡織工藝借鑒）來保留白地花瓣，形成對比；偶爾以刻劃或模印輪廓來引導釉料流動，產生浮雕般層次。隨後進行第一次素燒（biscuit firing），溫度約900–1100°C，以硬化胎體。素燒後，分區或隨意施釉（藍釉為主，配綠/黃/白/褐），再經第二次釉燒，溫度約800–900°C，讓鉛助熔劑使釉料融化融合。藍釉流淌自然，積釉處深沉寶石藍，薄處透胎白，常見細碎開片或虹彩光澤，呈現立體斑駁效果。此工藝展現唐代對進口鈷料的精湛掌握，與常見黃綠褐三彩形成強烈對比。
與其他唐三彩器相比，此藍釉梅花粉盒有何獨特之處與稀有度？
常見唐三彩以黃、綠、褐為主，藍釉極少出現（存世傳世/出土例屈指可數，多為小件或墓葬隨葬）。此對粉盒器型精緻、適合日常貴族女性使用，梅花紋清晰細膩，藍釉鮮豔完整，未嚴重剝落，遠勝多數考古出土例（常有土蝕或殘損）。玫茵堂舊藏此類藍釉小器代表唐代陶瓷巔峰，學術上為研究藍彩來源與貴族生活的重要實證。
玫茵堂（Zuellig兄弟）為何特別重視並收藏此類唐代藍釉器？
祖利格兄弟（Stephen與Gilbert Zuellig）自1950年代晚期起，在著名古董商仇焱之（Edward T. Chow）的指導下系統蒐集，注重品質、斷代與稀有度。藍釉三彩代表唐代工藝與絲路交流的頂級成就，與其收藏焦點（早期陶器至宋代陶瓷）高度契合。玫茵堂藏品經Regina Krahl多卷圖錄編著驗證，此對MYT 1246 藍釉粉盒於2012年起長期借展瑞特堡博物館，體現家族對中國陶瓷史全面呈現的追求。
此器在當今學術研究與市場/博物館價值如何評估？
學術上，此類藍釉小粉盒為研究唐代鈷料貿易、色彩技術與貴族物質文化的關鍵證物，Regina Krahl等學者圖錄中類似例多被列為參考。市場上，同類完整傳世藍釉三彩小件（若拍賣）動輒數百萬至上千萬人民幣，此對保存精美、經玫茵堂/瑞特堡博物館認證，屬博物館級珍藏，價值極高。現公開展出於蘇黎世瑞特堡，供全球學者與公眾研究，進一步提升其文化意義。
存世規模與拍賣紀錄
1. 蘇富比（Sotheby's）拍賣紀錄（最豐富）
2005年：一件「罕見藍潑彩三彩化妝蓋盒」（A RARE BLUE-SPLASHED SANCAI-GLAZED COSMETIC BOX AND COVER），扁圓筒形，藍地為主，潑灑赭、綠、褐斑（玳瑁紋效果），底與蓋內素胎。目錄特別強調「此形制藍潑彩唐器極罕，尤其深藍釉如此突出」，並比對日本《陶磁大系》類似藍斑例及標準三彩盒（曾於1982年香港蘇富比售出）。
2021年、2024年：至少兩件「三彩加藍蓋盒」（sancai and blue-glazed pottery box and cover），小型，屬唐代。2024年一件出自日本醫生Hiroshi Horiuchi舊藏。
其他相關：藍斑三彩大錢箱（money chest，2014年售32.9萬美元）、伊勢彥信藏唐三彩藍釉梅花蓋罐（2025年拍賣，估價30-60萬港幣，目錄特別指出「藍釉梅花母題亦見於唐三彩蓋盒，但數量極少」）。
2. 佳士得（Christie's）拍賣紀錄
2015年：一件「唐三彩粉盒」（Tang sancai powder box），出自養德堂舊藏（入藏1985年前），成交價18.75萬港幣。
其他：多件小型三彩圓蓋盒、藍釉三彩三足罐蓋（2023年線上拍賣，估12-15萬港幣）及藍斑三彩器。藍釉小蓋盒雖非每年出現，但與粉盒同類的小型藍彩器常見於其唐代專場。
3. 邦瀚斯（Bonhams）拍賣紀錄
直接匹配「藍釉小粉盒/化妝蓋盒」的公開紀錄極少（或未見突出成交案例）。
有藍飾三彩（如藍斑三彩海螺水丞、藍斑三彩盤/罐/碗），以及標準三彩小盒，但藍釉主調的小型蓋盒未見顯著拍賣。邦瀚斯唐代三彩以俑、馬、盤為主，藍彩小器較少上拍。
總結拍賣情況：此類藍釉/藍斑小蓋盒（直徑7-9 cm左右）每隔數年才偶見1-2件，多為蘇富比/佳士得高端中國藝術專場，估價/成交多在數萬至數十萬美元/港幣（視品相、藍釉純度、來源而定）。因稀有，博物館級例常被私人藏家或基金會收藏後不再流通（如玫茵堂例直接借展）。
4. 其他博物館存世量（深度統計，已知公開/出版例）
此類完整傳世唐三彩藍釉（或藍斑為主）小粉盒/化妝蓋盒存世極稀，學界共識為「極少」（extremely rare / 存世量極少），全球已知完整例估計不超過10-15件（含對），遠少於普通黃綠褐三彩盒。主要因鈷料昂貴、限皇室/貴族使用，多出土於高級墓葬（例如武則天時期李弘及哀皇后墓），傳世例更少。
已知博物館公開收藏例（小型、直徑約7-10 cm、帶花卉/斑紋、含藍釉）：
瑞士瑞特堡博物館（Museum Rietberg）：MYT 1246 — 一對（pair）小蓋盒，花卉裝飾（Blumendekor），藍釉為主，直徑約8 cm與7.8 cm。玫茵堂基金會長期借展（2012年起），最接近您詢問的器物。
耶魯大學藝術館（Yale University Art Gallery）：一件小蓋盒（直徑7.6 cm），六瓣花卉紋（蠟阻技法作成），鈷藍釉為主，早期8世紀。1918年經Parish-Watson購藏，Moore夫婦遺贈。
大英博物館（British Museum）：至少一件鉛釉藍地蓋盒（mottled cobalt blue），8世紀，形制仿金屬器；另有比較例（1937,0716.35，直徑約8 cm）。
京都國立博物館（Kyoto National Museum）：一件較大型相關三彩蓋盒（9.9 cm），出版於比較文獻。
其他：大都會藝術博物館（MET）、芝加哥藝術學院等有藍釉三彩罐/盤，但小型粉盒較少公開；北京故宮、上海博物館等中國博物館多藏出土墓葬例（碎片或標準三彩），完整傳世藍釉小粉盒極罕見。
總結存世量：傳世完整藍釉小粉盒全球公開例約5-8件（含對），多集中在西方博物館（美、英、瑞士、日）。拍賣流通例多來自私人舊藏（如Meiyintang、Horiuchi、Yangde Tang），一旦入館即鮮少再現市場。此類器物因稀有與歷史意義（中西鈷料交流、唐代貴族生活），學術與博物館價值遠高於商業，玫茵堂MYT 1246即為典型博物館級代表。
The Tang Sancai blue-glazed plum blossom pattern powder box is a rare masterpiece of Tang Dynasty (618–907) ceramic craftsmanship, belonging to low-fired lead-glazed polychrome pottery (sancai). The predominant use of blue glaze is exceptionally rare. Tang blue glaze primarily relied on imported cobalt material from the Western Regions (Persia/Iran area), which was exorbitantly priced—often several to dozens of times more expensive than gold—thus limiting such wares to imperial and aristocratic circles.
This small, exquisite powder box (lidded cosmetic box), about 8 cm in diameter, was used to hold lead powder or rouge for women's makeup. The body and lid feature incised or molded interlocking branches or scattered plum blossom designs, with petals mainly rendered in blue glaze, accented by green, yellow, white, and other sancai colors for three-dimensional layering and opulent visual effect. The blue glaze flows naturally, pooling deeply in recesses with fine crackle or crazing, adding antique charm.
Plum blossom motifs in Tang ceramics symbolize purity and the heralding of early spring, often appearing on aristocratic women's items, reflecting the Tang romantic aesthetic toward natural flora. Such blue-glazed plum blossom powder boxes survive in very few examples; similar pieces are in the Metropolitan Museum of Art, but the Meiyintang example (or pair) stands out for its superb preservation, vibrant glaze, and clear decoration, representing the pinnacle of Tang blue sancai and the splendor of High Tang material culture and Sino-Western exchange.
The Meiyintang Collection (玫茵堂收藏) is one of the most important private collections of Chinese ceramics outside China. It was assembled by the Swiss brothers Stephen Zuellig (1917–2017) and Gilbert Zuellig (1918–2009), along with their family. The brothers, born in Manila to Swiss parents, developed a deep interest in Asian art and culture through their lifelong business activities in the Far East (they ran the multinational pharmaceutical distribution company Zuellig Pharma).
They began systematically collecting Chinese art in the late 1950s, guided early on by renowned connoisseur and dealer Edward T. Chow . The collection exceeds 2,000 pieces (including ceramics, porcelain, and archaic bronzes), spanning from the Neolithic period to the Qing dynasty, with particular strength and renown in Tang, Song, Yuan, and Ming wares.
Gilbert Zuellig specialized in early ceramics: from Neolithic pottery and stoneware through the Han, Tang, and Song dynasties (covering roughly five millennia up to 1279).
Stephen Zuellig focused on later porcelains of the Yuan, Ming, and Qing dynasties, as well as archaic bronzes from the Shang, Zhou, and Warring States periods.
The name "Meiyintang" (literally "Hall Among Rosebeds") is said to evoke their Swiss hometown area (possibly a homophony or poetic reference to Meienberg or similar). The collection gained worldwide acclaim through exhibitions (e.g., British Museum 1994, New York, Monte Carlo, Paris) and the multi-volume scholarly catalog Chinese Ceramics in the Meiyintang Collection by Regina Krahl (a leading expert), which remains a definitive reference work.
In 2011–2012, a significant portion of the later (Yuan–Qing) porcelains—including the famous Chenghua "chicken cup"—was sold at Sotheby's Hong Kong auctions, achieving record prices. The earlier part (Neolithic to Song) was transferred to the Meiyintang Foundation and placed on long-term loan to the Museum Rietberg in Zurich starting in 2012, where over 600 objects are displayed in the Chinese galleries (with innovative LED lighting). This makes the Meiyintang material publicly accessible and complements the museum's own holdings, offering a comprehensive view of Chinese ceramic history.
The collection is widely regarded as one of the finest private assemblages of Chinese ceramics in the Western world, emphasizing quality, authenticity, precise dating, and rarity—verified through international auctions, exhibitions, and expert scholarship.
Basic Information
Object Name: Tang Sancai Blue-Glazed Plum Blossom Pattern Powder Box (or Covered Box)
Period: Tang Dynasty, 8th century
Material: Earthenware with low-fired lead polychrome glaze (sancai, including cobalt blue)
Dimensions: Diameter approx. 8 cm and 7.8 cm
Collection: Former Meiyintang Collection, now on long-term loan to Museum Rietberg, Zurich (Inv. MYT 1246)
Features: Extremely rare blue glaze, plum blossom decoration, imperial/aristocratic-grade treasure
Why was blue glaze in Tang sancai ceramics so rare and valuable during the Tang Dynasty?
Tang blue glaze relied primarily on cobalt oxide imported via the Silk Road from Central Asia (Persia/Iran region), a material far more expensive than gold—often several to dozens of times its value—and technically challenging to fire (requiring precise temperature control to avoid burning or impure color). As a result, blue-glazed sancai wares were almost exclusively reserved for imperial, aristocratic, or high-status burial contexts, inaccessible to ordinary people. The MYT 1246 pair, with dominant blue glaze on these small powder boxes, exemplifies this elite luxury, highlighting the peak of Tang opulence and Sino-Western material exchange.
What symbolic and cultural significance do the plum blossom (or floral) motifs on these boxes carry?
Plum blossoms, blooming first despite cold, symbolize purity, resilience, and the heralding of spring renewal. In Tang aristocratic women's accessories, floral designs (including plum or interlocking/散點 blossoms) evoked beauty, elegance, and a poetic appreciation of nature. The boxes' lids and bodies feature molded or incised floral patterns, with blue glaze rendering the main petals, accented by green, yellow, white, and other sancai colors for rich layering and grandeur. This reflects Tang romantic aesthetics in female cosmetic culture, where such motifs signified status and refined sensibility.
What are the manufacturing techniques and distinctive features of the blue glaze on these boxes?
The small, delicate form (diameters approximately 8 cm and 7.8 cm) makes these boxes ideal for holding women's cosmetic items such as lead-based face powder or rouge. The production process begins with forming the body from light-colored clay (often molded or wheel-thrown), sometimes coated with a white slip (engobe) to enhance glaze brightness and provide a clean base. Floral motifs (such as plum blossoms or petal designs) are typically created directly through glaze application techniques: by splashing, brushing, or pouring low-fired lead glazes to form patterns organically, allowing natural flow and mottled effects; in many cases, a wax-resist technique (adapted from textile dyeing methods like batik) is used to reserve white or light areas for petals or highlights, preventing glaze adhesion there and creating sharp contrasts against the colored background; occasionally, subtle incising or molded outlines guide the glaze flow to suggest raised or layered relief-like details. The pieces undergo a first biscuit firing (around 900–1100°C) to harden the body. After biscuiting, glazes are applied selectively or splashed (primarily cobalt blue, supplemented by green, yellow, white, and brown from copper, iron, and other oxides), followed by a second low-temperature glaze firing at approximately 800–900°C, where the lead flux melts the glazes, causing them to fuse, run, and blend. The blue glaze flows naturally, pooling deeply for intense gem-like sapphire tones in recesses, thinning to translucent effects over the body or slip, and often developing fine crazing (crackle) or subtle iridescence, resulting in a vivid, three-dimensional splashed and mottled appearance. This masterful control of imported cobalt's color development and fluidity sets these blue-glazed examples apart dramatically from the more common yellow-green-brown sancai palettes, underscoring their rarity and luxury.
Compared to other Tang sancai wares, what makes these blue-glazed plum blossom powder boxes particularly unique and rare?
Standard Tang sancai predominantly uses yellow, green, and brown tones; blue-glazed examples are exceedingly scarce (only a handful of surviving/transmitted or excavated pieces, mostly small-scale or funerary). These boxes stand out for their refined, everyday aristocratic use (cosmetic rather than large vessels or figures), precise and delicate floral carving/molding, vibrant and well-preserved blue glaze with minimal degradation (unlike many excavated items affected by soil erosion or damage), and intact condition. As former Meiyintang holdings, they represent the pinnacle of Tang ceramic artistry and serve as crucial evidence for studying cobalt sources and elite daily life.
Why did the Zuellig brothers (Meiyintang Collection) particularly value and collect Tang blue-glazed wares like these?
The Swiss brothers Stephen Zuellig (1917–2017) and Gilbert Zuellig (1918–2009), guided from the late 1950s by renowned connoisseur-dealer Edward T. Chow (仇焱之), systematically built their collection with a focus on quality, accurate dating, and rarity. Blue-glazed sancai embodied the zenith of Tang technical innovation and Silk Road cultural exchange, aligning perfectly with their emphasis on early ceramics (Neolithic through Song for Gilbert; later porcelains and bronzes for Stephen). Scholarly catalogs by Regina Krahl document the collection's excellence; this MYT 1246 pair, loaned to Museum Rietberg since 2012, underscores the family's commitment to making premier Chinese ceramic history publicly accessible through museum display.
How is this object's current academic significance and museum/market value assessed today?
Academically, these blue-glazed powder boxes provide key evidence for Tang cobalt importation, glaze technology, and aristocratic material culture, frequently referenced in studies by experts like Regina Krahl. In the market, comparable intact Tang blue sancai small wares (if ever auctioned) command prices in the millions to tens of millions of RMB/USD, driven by rarity and condition. This well-preserved pair, authenticated through Meiyintang provenance and now publicly exhibited at Museum Rietberg in Zurich, holds museum-grade status—its cultural and research value far exceeds commercial potential, benefiting global scholars and visitors studying Tang ceramic heritage.
Survival Examples around the World
1. Sotheby's Auction Records (Most Frequent for This Type)
2005: A rare blue-splashed sancai-glazed cosmetic box and cover (Tang dynasty), flattened cylindrical form, deep blue ground with mottled tortoiseshell effect (ochre, green, brown pools). Described as "rare to find blue-splashed Tang wares of this form especially with such prominent deep blue glaze." Compared to similar examples in Japanese publications (e.g., Toji taikei). This closely matches the splashed/resist floral style.
2021 & 2024: Multiple "sancai and blue-glazed pottery box and cover" (Tang dynasty), small flattened circular forms (e.g., one with cream-and-amber dapples on blue). One from the collection of Japanese physician Dr. Hiroshi Horiuchi (2024, estimate $6,000–8,000 USD). Another in 2021 (estimate $8,000–12,000 USD).
Related: Larger or variant blue-and-sancai items like money chests or dishes, but small boxes appear in Important Chinese Art sales.
2. Christie's Auction Records
2015: A Tang sancai powder box from the Yangde Tang collection (acquired pre-1985), sold for HKD 187,500 (approx. $24,000 USD at the time). While not explicitly "blue-glazed," it falls in the category of small Tang sancai covered boxes; blue variants appear in their Tang-focused sales.
Other: Occasional blue-glazed or blue-splashed small sancai vessels (e.g., ewers, tripod dishes) in Hong Kong or New York sales, but exact small powder box matches are rarer than at Sotheby's. Christie's has handled blue-glazed Tang figures and larger pieces.
3. Bonhams Auction Records
Direct matches for small blue-glazed covered powder/cosmetic boxes are scarce in public records. Bonhams has sold blue-and-sancai items (e.g., blue-glazed pottery lions, attendants, or splashed basins), but small lidded boxes tend toward standard sancai without dominant blue. Blue-splashed variants appear occasionally in Asian art sales, but not as prominently as at the other houses.
Overall Auction Summary: These small blue-glazed sancai covered boxes (7–9 cm diameter) surface sporadically in Sotheby's and Christie's flagship Chinese ceramics auctions, often from old Japanese, European, or Hong Kong collections. They command premium prices due to rarity—far exceeding standard yellow/green/brown sancai boxes. Once acquired by institutions or major foundations (e.g., like the Meiyintang example), they rarely reappear on the market.
4. Surviving Examples in Other Museums (In-Depth Estimate)
Complete surviving examples of intact Tang sancai blue-glazed (or predominantly blue-splashed) small covered powder/cosmetic boxes are extremely rare—scholarly consensus estimates fewer than 10–15 worldwide (including pairs), far scarcer than common sancai wares. Most come from high-status Tang tombs (e.g., 8th-century aristocratic burials), with transmitted pieces even fewer due to fragility.
Known Public Museum Examples (small, lidded, ~7–10 cm, with blue glaze dominant or splashed, often floral/mottled):
Museum Rietberg, Zurich — MYT 1246: A pair of small lidded boxes with floral decoration (Blumendekor), blue glaze prominent, diameters ~8 cm and 7.8 cm. On long-term loan from the Meiyintang Foundation since 2012—closest match to your queried object.
British Museum, London — At least one lead-glazed lidded box ('sancai' ware) with mottled cobalt blue ground and resist designs (e.g., plum blossom/flower motifs on lid), 8th century (accession 1947,0712.32.a or similar 1937,0716.35). Another related example follows metalwork shapes with blue resist patterns.
Yale University Art Gallery — A small covered box (~7.6 cm diameter), six-petaled floral design via wax-resist on cobalt blue, early 8th century. Acquired early 20th century.
Kyoto National Museum — A related larger sancai covered box (~9.9 cm) for comparison, but blue variants referenced in publications.
Other Institutions: Cleveland Museum of Art (cobalt blue-glazed covered jar, related form); Metropolitan Museum of Art (dark blue-glazed covered jar with cobalt); Harvard Art Museums (cobalt-splashed jar). Chinese museums (e.g., National Museum of China, Shaanxi History Museum) hold excavated tomb examples (often fragmentary or standard sancai), but intact transmitted blue-glazed small boxes are rarer in public Asian collections.
Survival Summary: Globally, ~5–8 intact public examples (including pairs) of small blue-dominant sancai covered boxes, concentrated in Western museums (US, UK, Switzerland, Japan). Their rarity stems from cobalt's exclusivity and burial contexts. Auction pieces often derive from private old collections (e.g., Meiyintang, Horiuchi), and museum acquisitions elevate their status beyond commercial value—emphasizing Tang Sino-Western exchange (cobalt from Persia) and elite material culture.
Comments