... be silver/gold plating 3.Style: Souvenir 4.custom design Double Sided Custom Coins pecifications:a) material: Brass,Zinc alloy,Stainless ... , collectable, commemorative, promotion, business gift, etc.Delivery time: According to the order quantity. About 15 days after place the order ... 2.The special issues can be discussed . If you need to custom coin, please send us detail (including quantity, size, ...