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1/4 Real 'Quarto/Quartilla'
| Issuer | State of Sonora |
|---|---|
| Year | 1831-1836 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Mint | Hermosillo Mint |
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| Additional information |
Sonora's copper quartos were emergency issues authorized by the state legislature after the newly independent Mexican states found themselves chronically short of small-denomination coinage. The federal mint system simply could not produce enough low-value pieces to serve remote northern territories, so individual states were granted provisional authority to strike their own copper. Sonora's issues are among the crudest products of this arrangement — hand-cut planchets, inconsistent striking pressure, and dies that show rapid deterioration across the series.
Most examples circulated hard in a region with few alternatives.