Catalog
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| Issuer | São Tomé and Príncipe |
|---|---|
| Year | 1854 |
| 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 |
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| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
| Reference(s) | Gomes#P5 11, KM#19.? (New) |
| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Reverse description | Log in to see details |
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| Mint | Lisbon Mint (host coin); countermark applied in Portugal for São Tomé and Príncipe |
| Mintage | Log in to see details |
| Additional information |
The pataco — the colloquial name for João VI's 40 réis coppers struck from around 1812 onward — circulated widely across Portuguese colonial territories long after their metropolitan usefulness had expired. São Tomé and Príncipe, chronically short of small change, solved its currency problem in 1854 not by requesting a new issue from Lisbon but by simply countermarking existing patacões already in local circulation, officially revalidating them under Pedro V. The KM reference remains unresolved, reflecting how inconsistently these colonial countermark operations were documented by the Casa da Moeda.