| Issuer | Japan |
| Year | 720-759 |
| Type | Standard circulation coin |
| Value | 1 Mon |
| Currency | Mon (683-1953) |
| Composition | Copper |
| Weight | 3.75 g |
| Dimensions | 24.5 mm |
| Thickness | |
| Shape and Technique | Round with a square hole Cast |
| Orientation | |
| Engraver(s) | Fugiwara Yogyo |
| In circulation to | 25 November 0987 |
| Reference(s) | DHJ#1.6 - 1.12 |
| Obverse description | |
| Obverse script | |
| Obverse lettering | 和 珎 同 開 (Translation: Our/Japanese copper + Inaugural Coin (read clockwise)) |
| Reverse description | Plain |
| Reverse script | |
| Reverse lettering | |
| Edge | Smooth |
| Mint | |
| Mintage | ND
(720-759) - DHJ# 1.06; large characters - ND (720-759) - DHJ# 1.07; small characters - ND (720-759) - DHJ# 1.08; long down stroke in 尓 of 珎 - ND (720-759) - DHJ# 1.09; small 珎 - ND (720-759) - DHJ# 1.10; high 口 in 和 - ND (720-759) - DHJ# 1.11; hooks on down strokes of 和, 同, 珎 - ND (720-759) - DHJ# 1.12; hooks on all characters - |
| Catalog ID | 2807098610 |
| Comments |
