器物典藏-清 乾隆 群真海会杯 Cup with carved picture of a gathering of immortals, Ch'ien-lung reign (1736-1795), Ch'ing dynasty

犀角雕刻，侈口，深壁，上丰下削，平底。器外壁浮雕海上仙山群仙祝寿图，间饰楼阁树石。器口内壁浮雕云龙纹，底阴刻填金隶书「大清乾隆仿古」款。