Thank you for viewing. US Marine Corps Challenge Coin Supply Unit 505th Okinawa challenge coin Okinawa Please purchase only if you understand that this is a used item. Instant purchase OK. Final price reduction. *Shipping will be via Yu-Packet Post Mini, but since it will be shipped from Okinawa, it will likely take extra days, so please assume that delivery will generally be slow. US military surplus, collection, hobby, military, survival game, coin, commemorative coin.