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Copper Silver Halfbreed 3140

This specimen a Copper-Silver halfbreed from the Quincy Mine mill in Mason, MI is 40mm L x 20mm W x 10mm D and weighs 17.4gms. Halfbreeds are a very rare combination of native copper and silver only found in the Keweenaw Peninsula, Michigan.
$160.00

1 In Stock

HB s 3140

This specimen a Copper-Silver halfbreed from the Quincy Mine mill in Mason, MI is 40mm L x 20mm W x 10mm D and weighs 17.4gms.

Halfbreeds are a very rare combination of native copper and silver only found in the Keweenaw Peninsula, Michigan.

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