Challenge Coin - US Navy - Naval Special Warfare Group Four - SBT-12 - SBT-20 -

Military Challenge Coin - US Navy - United States Navy - USN - Naval Special Warfare Group 4 - Naval Special Warfare Group Four - NSWG-4 - SBT-12 - SBT-20 - SBT-22 - Special Boat Team - NAVSCIATTS. Coin is maintained in a vinyl protective holder.

eBay