Excavated Gold Coins of the Edo Period
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Gold Coins (Ichibukin), Found off the coast of Ōshima Town, Tokyo, Edo period, 17th–18th century
Japanese Archaeology and Special Exhibition (Heiseikan) Japanese Archaeology Gallery
September 21, 2022 (Wed) - March 12, 2023 (Sun)In February of 1957, a man harvesting shellfish about 250 meters off the coast of Tokyo’s Izu Oshima island accidentally discovered koban coins on the sea bed. Following this incident, a total of 103 koban and 63 ichibukin, which are smaller and rectangular, were found. The reason for why these gold coins were lost at sea is still a mystery.
| Designation | Name | Creation/ Excavation/ Provenance |
Period | Acquisition/ Ownership/ Accession Number |
CMT | ||
| Highlight | Gold Coin ("Koban") Minted in the Keichō Era | Excavated off the coast of Katsuzaki, Okata, Oshima-machi, Tokyo | Edo period, 17th century | J-37245-21 | |||
| Highlight | Gold Coin ("Koban") Minted in the Genroku Era | Found off the coast of Ōshima Town, Tokyo | Edo period, 17th–18th century | J-37245-54 | |||
| Highlight | Gold Coins ("Ichibukin") | Found off the coast of Ōshima Town, Tokyo | Edo period, 17th–18th century | J-37246 |