Bronze
7th-1st century BCEEgyptianAlabaster
3rd millennium BCEEgyptianWood
15th-16th centuryGermanLimestone
6th-5th century BCECypriotBronze
7th centuryJapaneseCopper alloy
2nd millennium BCESyro-HittitePolychromed ivory with traces of gilding
17th centuryHispano-Philippine
Epsom salts in paper pouch, inscribed in red fiber-tip ink, stamped
20th centuryGermanTerracotta
RomanPlaster
19th centuryItalian
Machine-engraved laminated plastic, mounted on wood
20th centuryAmericanZinc, emery cloth, sand and wood
20th centuryAmerican