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| 表面の説明 | ログイン して詳細を見る |
|---|---|
| 表面の文字体系 | Chinese |
| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | The large numeral '100' dominates the center of the field in bold relief, serving as the primary denomination indicator. Flanking the numeral on either side are small decorative dolphin motifs, referencing the marine theme of the Okinawa Expo. At the top of the coin, the circular EXPO'75 emblem — comprising a stylized wave design within a disc — is inscribed with 'EXPO'75' to its left and 'OKINAWA' to its right, all along the upper rim. The Japanese era date 昭和50年 (Year 50 of Shōwa, corresponding to 1975) is inscribed along the lower portion of the field in bold characters. The reverse is contained within a plain inner border and reeded outer rim. |
| 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 | ログイン して詳細を見る |
| 追加情報 |
Japan issued this coin to commemorate Expo '75, held in Okinawa — the first world's fair staged on the island just three years after its reversion to Japanese sovereignty following twenty-seven years of U.S. administrative control. Choosing Okinawa as the host site was a deliberate political act, intended to signal the prefecture's full reintegration into the Japanese state. The expo's theme of ocean civilization was partly chosen to reflect Okinawa's geography and maritime identity.
Circulated alongside the standard 100 yen coinage of the same specification, making well-preserved examples harder to distinguish from general pocket change of the period without close examination of the reverse.