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| 表面の説明 | Right-facing diademed and draped effigy of Queen Elizabeth II after the fourth portrait by Ian Rank-Broadley, occupying the central field. The surrounding legend reads 'ELIZABETH II' to the left and 'NIUE 2019' to the upper right, with '100 DOLLARS' continuing down the right side. Along the lower arc appears the denomination and fineness inscription '1OZ 9999 GOLD', separated by raised dots. The engraver's initials 'IRB' appear below the portrait truncation. The design is rendered in high relief against a mirror-polished proof field. |
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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 | ELIZABETH II · NIUE 2019 · 100 DOLLARS · IRB · 1OZ 9999 GOLD · |
| 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 | ログイン して詳細を見る |
| 追加情報 |
Niue has been a prolific vehicle for novelty bullion since the early 2000s, its sovereignty-for-hire arrangement with private mints producing hundreds of collector issues under the Cook Islands and Niue imprimaturs. This platypus piece belongs to that tradition — a one-troy-ounce fine gold coin with selective platinum plating over specific design areas, a technique that requires masking during the electroplating process and adds meaningful production complexity beyond standard proof striking.
The platypus itself is a recurring subject in Australian-themed numismatic issues from this region, though the platinum plating treatment distinguishes this from the Perth Mint's own platypus series.