Japan 1 Mon "Ryuhei Eihō" - Kammu, 796 – 818
Information
Country
Japan
Japan
Currency
Mon
(683 – 1953)
Coin type
Standard circulation coin
Denomination
1 Mon "Ryuhei Eihō" - Kammu
Year
796 – 818
Ruler
Kanmu
(781–806)
Composition
Copper
Shape
Round with a square hole
Technique
Cast
Weight (g)
5
Diameter (mm)
25
Demonetized
25 November 0987
Description
1 Mon "Ryuhei Eihō" - Kammu from Japan. Issued from 796 to 818. Struck in Copper. Measures 25 mm and weighs 5 g.
- Obverse
- Four characters around hole (Etrenal treasure of prosperous peace (read clockwise))
- Reverse
- Plain
- Edge
- Smooth
Mintage & Variants
| Date | Mintage | Comment | Frequency | |
|---|---|---|---|---|
| ND (796-818) | — | DHJ# 1.30; large characters | ||
| ND (796-818) | — | DHJ# 1.31; middle side stroke of 永 goes over フ | ||
| ND (796-818) | — | DHJ# 1.32; Low 寳 | ||
| ND (796-818) | — | DHJ# 1.33; compact 永 | ||
| ND (796-818) | — | DHJ# 1.35; small flan, large characters | ||
| ND (796-818) | — | DHJ# 1.36; small flan, low 寳 | ||
| ND (796-818) | — | DHJ# 1.37; small flan, narrow 平 with long central down stroke | ||
| ND (796-818) | — | DHJ# 1.38; small flan, small characters | ||
| ND (796-818) | — | DHJ# 1.39; small flan, middle horizontal stroke of 永 as wide as hole |
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