Mixed copper alloy
6th centuryByzantineStone
3rd millennium BCEChineseWood and glass
19th centurySilver
18th centuryAmericanLight gray stoneware
12th-13th centuryChineseMottled bluish green jade, calcified and gray to bone in color
1st millennium BCE-1st millenium CEChineseSilver
18th centuryBritishCopper alloy
1st-4th century CERomanSilver
19th centuryAmericanBrass? with enamel
19th centuryRussian