Naval Special Wafare Group One / 1 Master at Arms. TELL US HOW TO. Condition: Unused, and in nice shape. Please see pictures, we brightened the las to pics to help read the dark wording. This coin is approximately 2 1/2 inches in diameter. The images have been blacked out in area to deter fakes being made. Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless specified above. The free listing tool.