| Issuer | Japan |
| Year | 2010 |
| Type | Non-circulating coins |
| Value | 1000 Yen |
| Currency | Yen (1871-date) |
| Composition | Silver (.999) |
| Weight | 31.1 g |
| Dimensions | 40 mm |
| Thickness | |
| Shape and Technique | Round Milled, Coloured |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Y#160, JNDA#07-8 |
| Obverse description | Sakamoto Ryōma and Katsurahama Beach Colorized |
| Obverse script | |
| Obverse lettering | 日 本 国 高知県 KOCHI 千 円 (Translation: State of Japan Kochi prefecture 1000 yen) |
| Reverse description | Cherry blossoms, crescent and snowflakes. Latent images in largest snowflake. |
| Reverse script | |
| Reverse lettering | (47/60) 地方自治六十年 1000 YEN 平成22年 (Translation: 60 years of local autonomy 1000 Yen Year 22 of Heisei) |
| Edge | Slanted reeding |
| Mint | |
| Mintage | 22 (2010) - Proof - 100 000 |
| Catalog ID | 1544317620 |
| Comments |
