| Issuer | Japan |
| Year | 796-818 |
| Type | Standard circulation coin |
| Value | 1 Mon |
| Currency | Mon (683-1953) |
| Composition | Copper |
| Weight | 5.0 g |
| Dimensions | 25 mm |
| Thickness | |
| Shape and Technique | Round with a square hole Cast |
| Orientation | |
| Engraver(s) | Kukai, Emperor Kammu |
| In circulation to | 25 November 0987 |
| Reference(s) | DHJ#1.30 - 1.39 |
| Obverse description | Four characters around hole |
| Obverse script | |
| Obverse lettering | 隆 寳 平 永 (Translation: Etrenal treasure of prosperous peace (read clockwise)) |
| Reverse description | Plain |
| Reverse script | |
| Reverse lettering | |
| Edge | Smooth |
| Mint | |
| Mintage | 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 - |
| Catalog ID | 4405415360 |
| Comments |
