... , water mark paper 3)color can be changed Security Coupons for Candy ShopeColors1C-6C and pantone color. ( we have 6C printing machine ... , make the product in different position, light code, dark code, bar code , lucky code, random code, order code.5, perforate anti ... , make the product in different position, light code, dark code, bar code , lucky code, random code, order code.5, perforate anti ...