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| 表面の説明 | Uniface obverse trial strike with an entirely blank central field, devoid of any effigy, legend, or device. The field is bordered by a continuous decorative inner border composed of repeated C-shaped or scroll-form elements, creating an ornate dentilated ring that frames the unworked field. No inscription or additional design element is present on this face, consistent with its nature as a reverse trial piece. |
|---|---|
| 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 | 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 |
Pattern coinage from Mexico's late 1970s period falls into a complicated institutional story. The Banco de México was actively evaluating design and metal options as silver had already been removed from circulation coinage years earlier — the last circulating silver pesos dated to 1967. A reverse trial in silver at this date suggests the mint was testing die quality or finish standards against a precious metal blank, not proposing a return to silver currency.
The Casa de Moneda de México has a long history of producing trial and pattern pieces for internal evaluation that never entered formal auction or collector channels in their time, making documentation sparse.