USN Seal Team 6 DEVGRU Naval Special Warfare Development Grp. Challenge Coin ZZ5 Posted on June 22, 2024 by admin Please look over the coin to make sure it is perfect for you. Item is 100% Authentic. If your work or other situations doesn’t allow you to get the item from the post office or from the postman, please let me know and I can send it regular 1.