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1/2 Real - Carlos III Pattern, Obverse Trial
| Issuer | Mexico |
|---|---|
| Year | 1770 |
| Type | Log in to see details |
| Value | 1/2 Real |
| 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 | Log in to see details |
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| Technique | Log in to see details |
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| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
| Obverse lettering | CAROLUS III · DEI · G · · 1770 · |
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| Reverse lettering | Log in to see details |
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| Additional information |
Pattern coinage for Carlos III's Mexican issues was part of a broader administrative overhaul of the colonial mint system in the 1760s and 1770s, as the Bourbon reforms pushed to standardize and modernize production across New Spain. Tin trial pieces occupy an unusual niche — they were struck not as presentation pieces but as mechanical proofs of die alignment and press function, essentially disposable working documents of the minting process.
Very few tin trials from the Mexico City mint survived, as the material was considered valueless once the production run was approved.