3 cm (1 3/16 in.)
Pigment on plaster
1st century CERomanCeramic
KoreanOpaque blue-green glass
RomanTerracotta with added red and white, and metallic glaze
6th century BCEGreekGlass
RomanTerracotta
Light gray stoneware inlaid with slip and with celadon glaze
KoreanLongquan celadon ware: pale gray stoneware with matte-surfaced, bluish green celadon glaze. From the Longquan kilns in Zhejiang province
12th-13th centuryChineseSlip-decorated earthenware
15th centuryItalian