Japan 1 Mon "Kan'eitsūhō", 1714 – 1781
Copper alloy; 佐 "Sa" reverse
Information
Country
Japan
Currency
Mon
(683 – 1953)
Coin type
Standard circulation coin
Denomination
1 Mon "Kan'eitsūhō"
Year
1714 – 1781
Composition
Copper
Shape
Round with a square hole
Alignment
Medal alignment ↑↑
Technique
Cast
Weight (g)
2.75
Diameter (mm)
24.5
Thickness (mm)
0.8
Demonetized
Yes
Mintage & Variants
| Date | Mintage | Comment | Frequency | |
|---|---|---|---|---|
| ND (1771-1781) 佐 | — | DHJ# 4.121; dot of 永 joined to middle stroke which is hooked | 1.8% | |
| ND (1736) 佐 | — | DHJ# 4.118 ; dot of 永 joined to middle stroke, smaller characters | 5% | |
| ND (1735) 佐 | — | DHJ# 4.117 ; poor cast quality; no hook bottom of 永 | 9% | |
| ND (1717) 佐 | — | DHJ# 4.116 ; large 佐 | 20% | |
| ND (1714) 佐 | — | DHJ# 4.115 ; small 佐 | 16% |
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