... cost: free for current design 4.test: SGS custom metal police badge with OEM design1.Material: zinc alloy,also can be made ... enamel,imitation hard enamel,printing,photo etching etc6.Plating: silver with gold,also can be nickel,bronze,antique silver,antique bronze ... etc7.Attachment: butterfly clutch,safety pin,magnet,adhesive tape,U shape clp etc8.Sample time: 5 days9.Lead time: 10 days10 ...