|Type||Standard circulation coin|
|Value||4 Mon (0.001)|
|Shape||Round with a square hole|
|Orientation||Medal alignment ↑↑|
William D. Craig; 1976. Coins of the World, 1750-1850 (3rd edition). Western Publishing, Racine, Wisconsin, USA.DHJ# 5.19+20
David Hartill; 2011. Early Japanese Coins. Authors OnLine, Gamlingay, England. ISBN 9780755213658.
Translation: Eternal Money of the Bunkyū Era
Engraver: Matsudaira Yoshinga
In the 2nd month of the 3rd year of Bunkyū, a copper coin with the inscription Bunkyūeihō was put into circulation. These coins were mostly made out of the old one mon coins, thus their alloy does not contain zinc.
The coin was intended to replace the unpopular iron Kan'eitsūhō 4 Mon, however, people used the coin by compared value to iron 1 Mon coin. In 1865, Bunkyūeihō was 8 Mon (while Brass Kan'eitsūhō 4 Mon worth 12 Mon), and in 1867 Bunkyūeihō was 15~16 Mon (while Brass Kan'eisūhō 4 Mon worth 20~24 Mon).
The Bunkyu Eiho was the last of the traditional cast cash coins to be introduced. In 1868, the minting machinery that had been in use in Hong Kong was brought to Osaka, and by 1870 machine struck gold, silver, and copper yen and sen coins had started to be made. Bunkyūeihō had been used for, generally, 1.5 Rin (0.0015 Yen) until the law of demonetizing old currencies came into effect in 1954.
This Simplified hō type was casted at Kosuge. Mintage is included in C# 6
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|ND (1863-1868)||75%||unknown variants|
|ND (1863-1868)||21%||永 with high dot; wave 6 ends far from inner rim|
|ND (1863-1868)||9%||永 with low dot; 宝 with dotted left foot; wave 6 ends near inner rim|
Frequencies show the percentage of Numista users who own each year or variety among all the users who own this coin. Since some users own several versions, the sum may be greater than 100%.