bimetallic coins Eco-firendly Silver outside ,bronze with gold inside dimension:70MM dia 4MM thickness various dimension bimetallic coins Process: stamping ,die casting .die struckMaterial: iron, brass, copper ,zinc alloy ,Wolfram, Plumb,Molybdenum and so on,we can do any metal material coin.Size:70mm (customized size)Thickness: 4mmPolishing: three side (front, back and edge)Coins can be made ...
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