A MOSS AGATE BRUSH WASHER, XI, QING DYNASTY China, 1750-1850. Carved in the form of a single curved lotus leaf, the rounded sides rising to a lobed rim gently curving inward, the exterior with two blooming lotus flowers, two smaller leaves and their curled stem, which also forms the vessel's base. Provenance: Nagatani Inc., Chicago, 1977. Robert 'Bob' Mayer and his wife, Beatrice 'Buddy' Cummings Mayer, acquired from the above. Collector label "0671" to inside. The Mayers were hugely influential figures in the development of contemporary art in the United States. As a founding trustee and treasurer of the board, Bob was a leading force in the success of the Museum of Contemporary Art (MCA) in Chicago in its formative years. In 1944, Hisazo Nagatani (died 1994), the former manager of Yamanaka's Chicago gallery, established himself under the company name Nagatani Inc. Condition: Overall good condition with small nibbling to the edges here and there, old wear and traces of use. Some minor abrasions and natural fissures to the stone. Weight: 220 g Dimensions: Length 12 cm The translucent pale-blue and ochre stone with beautiful moss-green inclusions. This material is rarely found on brush washers from this period, let alone in good condition. 苔蘚瑪瑙荷葉筆洗，清代 中國，1750-1850。荷葉形筆洗，雕刻生動活潑，側面上升並逐漸向內彎曲，形成一個凸狀邊緣，外部有兩朵盛開的荷花，兩片較小的葉子及其捲曲的莖。 來源：1977年芝加哥Nagatani Inc. 。Robert 'Bob' Mayer 及他的妻子 Beatrice 'Buddy' Cummings Mayer購於上述藝廊。底部可見藏家老標簽 "0670"。Mayer一家在美國當代藝術的發展中起到了很大的作用。作為董事會的創始受託人和財務主管，Bob在芝加哥當代藝術博物館（MCA）成長初期，是其成功的領導者。Hisazo Nagatani (？- 1994年)曾是Yamanaka的芝加哥藝廊經理，1944年以自己名字成立了Nagatani Inc. 品相：整體品相良好，邊沿局部有小磕損，老磨損和使用痕跡。石内天然小擦傷和裂縫。 重量：220 克 尺寸：長12 厘米