|Type||Standard circulation coin|
|Value||1 Koban (1)|
|Orientation||Medal alignment ↑↑|
William D. Craig; 1976. Coins of the World, 1750-1850 (3rd edition). Western Publishing, Racine, Wisconsin, USA.JNDA# 09-22
Japan Numismatic Dealers Association (editor); 2020. 日本貨幣カタログ = The Catalog of Japanese Currency. Self-published, Tokyo, Japan.
A fan-shaped Kiri crest, a square panel with the value, a square panel with the signature of the Mint Official, and another fan-shaped Kiri crest
Butter-fly-like signature, and various other characters, the stamps of mint officials
DH#8.25 Edo mint; July 25th to September 7th.
Ansei Koban and Ansei 1 Bukin has mintage of 351_000 Ryō in total.
No member from this site currently wants to exchange it.