6.8 × 15.5 cm (2 11/16 × 6 1/8 in.)
Stone
GreekBronze
1st-2nd millennium CERomanIron
GreekSilver
18th centuryIrishCopper alloy
1st-5th century CERomanCopper alloy
1st-5th century CERomanCast bronze with engraved designs and inscription
1st-3rd century CEChineseBronze
1st-2nd millennium CERomanCopper alloy
1st-4th century CERomanSilver
18th centuryBritishSilver
18th centuryEuropeanStone
3rd millennium BCEChinese