Japan 1 Mon "Kan'eitsūhō", 1737 – 1742

Iron alloy; 小 "Ko" reverse

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Information

Country Japan
Currency Mon (683 – 1953)
Coin type Standard circulation coin
Denomination 1 Mon "Kan'eitsūhō"
Year 1737 – 1742
Composition Iron
Shape Round with a square hole
Technique Cast
Demonetized Yes

Mintage & Variants

Date Mintage Comment Frequency
ND (1737-1742) 小 広穿背小; small high 通; similar to copper counterpart 13%
ND (1737-1742) 小 広穿背狭小; low 寶; similar to copper counterpart

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