Catalog
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| Issuer | Banco Central do Brasil |
|---|---|
| Year | |
| 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 |
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| Obverse description | Blank flat disc planchet with no design, legend, or devices struck on the field. The surface presents a smooth, featureless stainless steel field across the entire face, consistent with an unstruck or test planchet used in the pattern trial process. The rim is well-defined and raised, characteristic of a properly prepared planchet intended for the second family of Brazilian Real coinage. |
|---|---|
| Obverse script | Log in to see details |
| 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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| Mintage | ND |
| Additional information |
This is a pattern piece — KM# Pn102 designates it as a trial or proof-of-concept strike, not a circulating issue. The Banco Central do Brasil conducted extensive testing during the Real plan's preparatory phase in the early 1990s, evaluating multiple planchet configurations before the currency launched in July 1994. The "flat disc" designation distinguishes it from edge-lettered or security-edged variants tested concurrently, suggesting this was one of several competing specifications submitted for the 50 centavos denomination before a final standard was approved.