Catalog
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| Issuer | Costa Rica |
|---|---|
| Year | 1928 |
| Type | Coin pattern |
| 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 | Log in to see details |
| Shape | Log in to see details |
| Technique | Log in to see details |
| Orientation | Log in to see details |
| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
| Reverse script | Latin |
| Reverse lettering | Log in to see details |
| Edge | Plain |
| Mint | Log in to see details |
| Mintage | Log in to see details |
| Additional information |
Pattern coinage for Costa Rica in the late 1920s was tied to a broader monetary reform effort as the country worked to stabilize its currency after years of fiscal pressure following World War I commodity fluctuations. The KM#Pn15 designation confirms this piece never progressed to circulation — patterns from this period were frequently struck in alternate compositions to test durability and public reception before a final alloy was committed to production.
Costa Rica ultimately continued with brass and bronze-based coinage for small denominations through the 1930s, meaning this copper-nickel trial was rejected at the decision stage.