... :opp/box. 4.Mini order : 200 Metal Zinc Alloy Custom Sports Collection Souvenir Coins Specifications:a) material: Brass ... ,Zinc alloy,Stainless steel,Iron, Pewter,Aluminum b) Color: Pantone ... Stamping,Die-cast, Injection, Photo etching,immitation hard enamel e)Logo: Soft enamel color, Silkscreen/offset printing, Laser, Engraved, Embossed ...