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500 Francs Swimming
| Issuer | National Bank of Rwanda |
|---|---|
| Year | 2008 |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
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| Shape | Round |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
| Obverse lettering | BANKI NASIYONALI Y'U RWANDA REPUBLIKA Y'U RWANDA UBUMWE-UMURIMO-GUKUNDA IGIHUGU AMAFARANGA 500 MAGANA ATANU (Translation: National Bank of Rwanda. Republic of Rwanda. Unity, work, patriotism. Five hundred francs.) |
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| Additional information |
Rwanda's niobium coinage began as a collaboration with the Austrian Mint, which pioneered the bimetallic niobium-silver format starting in 2003. The Rwandan issues adapted this approach for a single-metal niobium planchet, with the distinctive colored appearance resulting from anodization — a voltage-controlled oxidation process that produces interference colors without dyes or coatings. The specific hue varies by batch and oxidation parameters, meaning no two production runs are strictly identical.