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1 Onza Mineral Resources Convention
| Issuer | Mexico |
|---|---|
| Year | 1951 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | 3 mm |
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| Technique | Log in to see details |
| Orientation | Log in to see details |
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| In circulation to | Log in to see details |
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| Obverse description | Central effigy of a miner facing left, depicted in full working attire and holding mining tools. The figure is rendered in relief with period-appropriate industrial detail. Surrounding the central motif, the legend inscribed along the periphery states the weight standard, metallic content, and fineness of the piece. The overall design reflects the commemorative and utilitarian character of a bullion-related medal issue. |
|---|---|
| Obverse script | Latin |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
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| Mint | Log in to see details |
| Mintage | Log in to see details |
| Additional information |
Struck to commemorate the Fourth International Mining Congress held in Mexico City in 1951, this piece was produced in very limited numbers for distribution to congress delegates and officials rather than for general sale. It occupies an awkward category — neither a true circulation issue nor a standard commemorative — which likely explains why Grove treats it as a variety rather than a primary type. The distinction between 587a and the parent type concerns subtle differences in the lettering spacing around the legend, a detail that has generated considerable disagreement among specialists.