1983 & 1984 US Mint Prestige Proof Set - Full Run of Leatherette Sets - 12 Coins, 2 Complete Sets.. 1983 & 1984 US Mint Prestige Proof Set - Full Run of Leatherette Sets - 12 Coins, 2 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. The 1983 & 1984 sets were contained in brown leatherette cases, unlike the later issues.