Silver COINS for collecting or investing. The term "COIN" represents actual Government issue product which has been Monetized at the time of its issue (Dollar, Pound, Euro, Peso etc...) The term "MEDALLION" or "ROUND" These are items which are released by private minting or refining companies when they are not issued by a Government. Official Government issued product Without any Monetary unit (Dollar, Pound, Euro, Peso etc...) is also referred to as being a "Medallion".