Amazon.com: MKIOPNM Exquisite Coin White Horse Green Beret Camp 20th Special Forces British Coin Creative Gift Collection Play Badge Perfect Replacement for Original Coins : Collectibles & Fine Art
Amazon.com: United States Army Special Forces Challenge Coin Faithful and True Green Beret Challenge Coin : Collectibles & Fine Art
Amazon.com: MKIOPNM Exquisite Coin White Horse Green Beret Camp 20th Special Forces British Coin Creative Gift Collection Play Badge Perfect Replacement for Original Coins : Collectibles & Fine Art
Challenge Coin Rules, History and Tradition – ITS Tactical