Bi-metallic coin
Bi-metallic coins are coins consisting of two (bi-) metals or alloys, generally arranged with an outer ring around a contrasting center. The bi-metal form is typically used to protect against counterfeiting.
Bi-metallic coins are coins consisting of two (bi-) metals or alloys, generally arranged with an outer ring around a contrasting center. The bi-metal form is typically used to protect against counterfeiting.
Bi-metallic coins are coins consisting of two (bi-) metals or alloys, generally arranged with an outer ring around a contrasting center. The bi-metal form is typically used to protect against counterfeiting.
Source: Wikipedia "Bi-metallic coin" · CC BY-SA 4.0
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