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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse presents a right-facing male portrait bust, likely representing Miguel Hidalgo y Costilla, rendered in high sculptural relief occupying the central field. The denomination DIEZ PESOS arcs across the upper portion of the field, while the fineness LEY 000 appears along the lower left and the date 1973 is inscribed at the lower right. The mintmark appears near the base of the portrait. The bold, proof-quality strike with deeply mirrored fields and frosted devices is consistent with the pattern coinage nature of this issue on a heptagonal planchet. |
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| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
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| 附加信息 |
In 1973, Banco de México was actively exploring a replacement for the circulating 10 Peso coin, and this piece — struck in .500 fine silver — represents one of several competing alloy and weight configurations tested before the series was ultimately abandoned in favor of a cupronickel transition. The "Tuerca" designation refers to the milled, nut-like edge treatment used on pattern pieces of this period to distinguish them from production strikes. PL#42A is among the scarcer documented varieties of the 1973 10 Peso pattern sequence.