It is serialized and there is a number where the sticker is in the photo. It is 1.75 inches. Anything else depicted in the photos are for photo display purposes only; coin stand NOT included with listing. None of these coins were personally given to me. I DO NOT accept trades. The item “C54 Navy SEAL Delivery Vehicle Team One SDVT-1 Task Unit Alpha Challenge Coin” is in sale since Monday, April 6, 2020. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “challengecoinmaster” and is located in Fairfield, California. This item can be shipped worldwide.