| Issuer | Japan |
| Year | 859-870 |
| Type | Standard circulation coins |
| Value | 1 Mon |
| Currency | Mon (683-1953) |
| Composition | Copper |
| Weight | 2.1 g |
| Dimensions | 19 mm |
| Thickness | |
| Shape and Technique | Round with a square hole Cast |
| Orientation | |
| Engraver(s) | Kasuga Otsugu |
| In circulation to | 25 November 0987 |
| Reference(s) | DHJ#1.50 - 1.52 |
| Obverse description | Four characters around hole, read clockwise from top as 饒益神寳 Nyōyakushinpō (饒益神宝 in modern lettering) Also called Nyōekishinpō and Jōekishinpō |
| Obverse script | Chinese (traditional, regular script) |
| Obverse lettering | 饒 寳 益 神 (Translation: Devine treasure of abudant profit) |
| Reverse description | Blank. |
| Reverse script | |
| Reverse lettering | |
| Edge | Plain |
| Mint | |
| Mintage | ND
(859-870) - DHJ# 1.50; large size and characters - ND (859-870) - DHJ# 1.51; small size, top of 饒 touches outer rim - ND (859-870) - DHJ# 1.52; small size, 神 to the right of hole - |
| Catalog ID | 3845386690 |
| Comments |
