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| Issuer | Casa de Moneda de México |
|---|---|
| Year | 1772-1789 |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
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| Orientation | Coin alignment ↑↓ |
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| Obverse description | Log in to see details |
|---|---|
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| Reverse script | Latin |
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| Mintage | 1772 Mo FF - KM#69.2 - 1772 Mo FM - KM#69.1 (inverted `FM` and mintmark) - 1773 Mo FM - KM#69.1 (inverted `FM` and mintmark) - 1773 Mo FM - KM#69.2 - 1773 Mo FM - KM#69.2 (error `CAROLS`) - 1774 Mo FM - KM#69.2 - 1775 Mo FM - KM#69.2 - 1776 Mo FM - KM#69.2 - 1777 Mo FM - KM#69.2 - 1778 Mo FF - KM#69.2 - 1779 Mo FF - KM#69.2 - 1780 Mo FF - KM#69.2 overpunch variety exists - 1781 Mo FF - KM#69.2 - 1782 Mo FF - KM#69.2 overdate variety exists - 1783 Mo FF - KM#69.2 - 1783 Mo FM - KM#69.2 - 1784 Mo FF - KM#69.2 - 1784 Mo FM - KM#69.2 - 1785 Mo FM - KM#69.2a - 1786 Mo FM - KM#69.2a - 1787 Mo FM - KM#69.2a - 1788 Mo FM - KM#69.2a - 1789 Mo FM - KM#69.2a - |
| Additional information |
The 1772 date marks a watershed in Mexican colonial coinage: that year, Carlos III mandated the switch from the cob ("macuquina") format to the new milled coinage, ending nearly two centuries of hand-struck production at the Mexico City mint. The transition was not merely aesthetic — it was an imperial accounting measure, driven by chronic fraud in the old cob system, where clippers and dishonest assayers had been skimming silver for generations.
The FM assayer mark appearing on pieces from this period belongs to Francisco de la Peña Flores, active at the Mexico City mint through the 1780s.