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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 | Latin |
| 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 | 1985 - Trial piece, and fewer than 10 are known to survive - 500 1986 - - 50,430,000 1986 - Proof - 6,750 1988 - - 20,661,000 1992 - - 14,761,000 1994 - - 11,086,000 1995 - - 18,160,000 1996 - - 29,291,000 1998 - - 25,024,000 1999 - - 11,000,000 2000 - - 28,500,000 |
| 追加情報 |
Ireland's 20 pence denomination was introduced in 1986 as part of a broader decimal rationalisation, filling a practical gap between the 10p and 50p that had grown more noticeable as inflation eroded smaller coins' purchasing power. The nickel-brass alloy was chosen partly for its durability and partly to produce a visually distinctive gold-toned coin that wouldn't be confused with the silver-coloured pieces in circulation.
Mintage figures vary considerably across the series, with certain years struck in quantities too small to meet demand and later supplemented — a pattern common to Irish coinage of the period as the Central Bank repeatedly underestimated circulation requirements.