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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 | 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 | Central design features the crowned Royal Arms of Castile and León, quartered with castles and lions, with a small escutcheon of Granada at the base, flanked on either side by the Pillars of Hercules bearing the motto scrolls PLUS and VLTRA. A large royal crown surmounts the shield. The circumferential legend reads •HISPAN•ET IND•REX•Mo•1R•F•F•, identifying the monarch as King of Spain and the Indies, with the Mexico City mint mark (Mo), denomination (1R), and assayer initials (FF). The reverse is displayed inverted relative to the obverse in medal alignment, and the entire design is enclosed within a toothed border. |
| 裏面の文字体系 | Latin |
| 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 |
The 1772 date marks a hard administrative break: that year, Charles III mandated the transition from the old macuquina (cob) coinage to the new milled bust coinage across all Spanish colonial mints. Mexico City was among the first to comply. The reform was as much about counterfeiting control as aesthetics — the irregular cobs were trivially easy to clip and shave without detection.
Assayer marks on these pieces shift across the production window, with FM (Francisco de la Maza) giving way to FF pairings depending on the year. Worth verifying against known assayer chronologies before cataloging a specific example.