customized fine silver plated metal coin 1. Material: brass, zinc alloy, copper, iron etc. 2. Process: die-cast, stamping, hot customized fine silver plated metal coin 1. Material: brass, zinc alloy, copper, iron etc.2. Process: die-cast, stamping, hot-cast, printing, photo-etches are available.3. Finishing: various electric plating colors such as gold, imitated gold, silver, antique silver, ...