| Issuer | Japan |
| Year | 2011 |
| Type | Circulating commemorative coins |
| Value | 500 Yen |
| Currency | Yen (1871-date) |
| Composition | Bimetallic: copper-nickel centre in nickel brass ring (75% Copper, 12.5% Zinc, 12.5% Nickel) |
| Weight | 7.1 g |
| Dimensions | 26.5 mm |
| Thickness | 1.8 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Y#177, JNDA#07-117 |
| Obverse description | Biwa Catfish and Round Crucian Carp (indigenous species living in Lake Biwa). |
| Obverse script | |
| Obverse lettering | 日 本 国 SHIGA 滋賀県 五 百 円 (Translation: State of Japan Shiga 500 yen) |
| Reverse description | Old cast Mon coin with latent images in square hole surrounded by legends |
| Reverse script | |
| Reverse lettering | JAPAN 47 PREFECTURES COIN PROGRAM 地 方(47/60)自 治 500 YEN 平成 23 年 (Translation: Local autonomy Year 23 of Heisei) |
| Edge | Slanted reeding with two different pitches |
| Mint | |
| Mintage | 23 (2011) - - 1 740 000 23 (2011) - Proof - 30 000 |
| Catalog ID | 6774387430 |
| Comments |
