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| 表面の説明 | The obverse features a central depiction of Nintoku-ryo Tumulus (Daisen Kofun), the largest keyhole-shaped burial mound in Japan, located in Sakai, Osaka Prefecture, rendered in fine relief within the copper-nickel centre. The design is framed by the nickel brass ring bearing the country name legend 日本国 (Nihon-koku, State of Japan) at the top, flanked by the denomination 五百円 (500 yen) at the bottom. The prefecture name OSAKA appears in Latin characters above the Japanese 大阪府, both inscribed within the central field below the tumulus motif. The entire composition is surrounded by a beaded border along the inner edge of the ring, characteristic of the Japan 47 Prefectures Coin Program series. |
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| 表面の文字体系 | ログイン して詳細を見る |
| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | ログイン して詳細を見る |
| 裏面の文字体系 | ログイン して詳細を見る |
| 裏面の銘文 | ログイン して詳細を見る |
| 縁 | ログイン して詳細を見る |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | 27 (2015) - - 1,670,000 27 (2015) - Proof - 30,000 |
| 追加情報 |
This piece is one of Japan's 47 Prefectures Coin Program issues, a series launched in 2008 in which each prefecture received its own commemorative 500 yen struck over roughly a decade. Osaka's selection reflects the prefecture's historical identity as Japan's commercial center — a status it held since the Edo period when it functioned as the country's primary rice market and financial hub. The bimetallic construction was itself introduced to the 500 yen denomination in 1999 specifically as an anti-counterfeiting measure, following a surge in sophisticated forgeries targeting the then all-nickel brass coin throughout the 1990s.