PinMart USA and South Vietnam Crossed Friendship Flag Enamel Lapel Pin Available as a single item or bulk packed. Select your quantity above. Qty: 1 pin The USA and South Vietnam crossed flag pin is die struck from jeweler's metal, gold plated, and enamel color filled. Otherwise known as a friendship flag pin, this is the great way to honor South Vietnam American values! SIZE: 1 1/8'' x 1/2'' Each pin comes with a clutch back and is individually poly bagged.