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>> No.58344795 [View]
File: 514 KB, 777x777, 1-oz-Lincoln-Wheat-Cent-Copper_Golden-State-Mint_obverse.jpg [View same] [iqdb] [saucenao] [google]
58344795

>>58344703
>Goldbacks, in theory, can solve that problem.
Copper already solved that problem ages ago. Cupronickel is most durable and resistant to corrosion.

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