1992-1994 US Mint Prestige Proof Sets - 21 Coins, 3 Complete Sets. 1992-1994 US Mint Prestige Proof Sets - 21 Coins, 3 Complete Sets. In 1983, the mint released a special mint set containing a commemorative dollar coin. This set, known as the Prestige proof set, was sold every year until 1997 (except 1985, when no commemorative coins were produced) containing a commemorative dollar coin and sometimes a commemorative half dollar.