This listing is for a very nice United States Navy. Naval Special Warfare Group Eleven NSWG-11 Navy SEAL Team Navy SEAL Team 18 ST-18 Chief Petty Officer CPO 3 Piece 3D Puzzle Challenge Coin. The base is 2 3/4 in diameter. Each attaching piece is 2 3/4 x 1 3/4. The total height is 1 7/8 and a total weight of 7.8 oz. This is a very unique coin set. The winner of this listing, will receive all three coins (pieces). This will make a nice addition to any collection. Any questions, please feel free to ask. I always strive to deliver prompt and accurate results. If you are dissatisfied for any reason, please let me know and I will do my best to resolve the issue to your satisfaction. Just add the items to your cart and request an invoice.