Late Edo period, dated 8th month of 1854
85.4 x 3.9 cm (33 5/8 x 1 9/16 in.)
Iron
JapaneseWatered steel with gold overlay
17th centuryPersianStone
20th centuryChineseSteel
17th-18th centuryIndianArsenical copper
3rd millennium BCESyro-HittiteBronze, silver rivets
2nd millennium BCEMinoanIron
3rd-7th centuryRomanLead
GreekStone
20th centuryChineseCopper-lead-arsenic alloy
2nd millennium BCEAnatolianCopper alloy
3rd-2nd millennium BCEEuropeanArsenical bronze
3rd millennium BCECycladic