The Goldberg Retirement Coin is an Official Goldberg Collectible...You will receive one large 3 inch collectible challenge coin. These coins are limited to only 173 coins made, each with an individual serial number and number matching Certificate of Authenticity hand autographed by Bill Goldberg. The Certificate of Authenticity doubles as a collectible trading card and comes in a plastic top loader to protect it. This rare collectors set will arrive in a velvet storage pouch featuring Goldberg's famed tribal tattoo. Each coin has a serial number on the outer edge. This serial number will match the same number found on the Goldberg autographed Certificate of Authenticity. The front of the coin featured a full color photo of Goldberg from early in his career. The back has a photo of Goldberg in the modern era.