1 Mon "Kan'eitsūhō" (Iron alloy; 小 "Ko" reverse) ND (1737-1742) front 1 Mon "Kan'eitsūhō" (Iron alloy; 小 "Ko" reverse) ND (1737-1742) back
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1 Mon "Kan'eitsūhō" Iron alloy; 小 "Ko" reverse ND

 
Iron - -
Description
Issuer
Japan
Type
Standard circulation coin
Years
1737-1742
Value
1 Mon
Currency
Mon (683-1953)
Composition
Iron
Shape
Round with a square hole
Technique
Cast
Demonetized
Yes
Updated
2024-10-05
References
Numista
N#161715
Rarity index
90%

Reverse

Lettering:

Translation: Ko for Koume-mura

Edge

Plain

Comment

Variants without reverse character exist (DHJ# 4.161).

Interesting fact

One interesting fact about the 1 Mon "Kan'eitsūhō" coin is that it was made of iron, which was a unusual choice for coins at that time, as most coins were made of precious metals like gold, silver, or copper. The use of iron in coinage was seen as a way to reduce the cost of production and make currency more accessible to the general population. This coin was issued during the reign of Emperor Sakuramachi and was used circulation until it was replaced by a new design in 1742. Despite being made of a less valuable material, the 1 Mon "Kan'eitsūhō" coin remains a valuable collector's item for numismatists today.