Metal
Pre-ColumbianTerracotta
9th-8th century BCEGreekDark green nephrite with black inclusions (so-called spinach-green jade); with spurious mark reading 'Qianlongnian zhi' in seal-script characters
19th centuryChineseBlack earthenware
3rd-2nd millennium BCEChineseLight gray stoneware with kiln-blackened surface and with incised and openwork decoration
5th-6th centuryKoreanStone
GreekLeaded bronze
5th-3rd century BCEEtruscanTerracotta, white ground
6th century BCEGreekSilver
19th centuryAmericanCeramic
20th centuryFrenchEarthenware with green splashed lead glaze
9th-10th centuryChinese