Image: 1857 20 French francs aluminium coin
![1857 20 French francs aluminium coin](/images/thumb/a/a1/1857_20_French_francs_aluminium_coin.jpg/800px-1857_20_French_francs_aluminium_coin.jpg)
Size of this preview: 800 × 403 pixels. Other resolutions: 320 × 161 pixels | 958 × 482 pixels.
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Description: 1857 20 French francs aluminium coin featuring a portrait of Napoleon III, patron of research of aluminium production in France
Title: 1857 20 French francs aluminium coin
Credit: http://www.monnaies-rares.com/F020_1857_alu.html
Author: Bank of France
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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