Group of 2 United States Mint Set in Original Government Packaging! From 1990-1991 with 20 Coins Inside!. Group of 2 United State Mint Set from 1990-1991 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. The 1990 Philadelphia Mint coins and token are packaged in a single cellophane bordered in blue, while the Denver Mint coins and token are packaged in a second cellophane with blue border. A certificate of authenticity with coin specification information is provided. The coins and COA are packaged in an illustrated envelope. The 1991 Packaging for the annual mint set remained consistent with recent years, with the continued tradition of a newly designed envelope. The coins were placed within a separate plastic pack for each mint facility and place with a certificate of authenticity. The outer envelope had a blue background with some flair elements, and the images of coins and tokens aligned at the bottom.