Group of 2 United States Mint Set in Original Government Packaging! From 1987-1988 with 20 Coins Inside!. Group of 2 United State Mint Set from 1987-1988 included a total of 20 coins. Each set comprised of Lincoln Cents (P, D), Jefferson Nickels (P, D), Roosevelt Dimes (P, D), Washington Quarters (P, D), Kennedy Half Dollar (P, D) plus two tokens bearing large letters “P” and “D” representing the Philadelphia and Denver Mints. Envelopes for the 1987 mint set were brightened up from prior years, with white and red colors separated by a blue stripe. The US Treasury Department logo appears on the upper portion with “The United States Mint”, “1987 Uncirculated Coin Set”, and “with D and D mint marks” on the lower portion. The 1988 sets were packaged in two separate cellophane packs. The Philadelphia Mint coins were sealed in one pack with a blue border, while the Denver Mint coins were sealed in another with a red border. Along with a certificate of authenticity, the packs were placed into an outer envelope illustrated with images of the year’s coins.