The 1980 US Mint Uncirculated Coin Set from Philadelphia includes six coins with denominations ranging from $0.01 to $0.50. These coins are all struck as business coins at the United States Mint in Philadelphia. Each coin is certified by the U.S. Mint, ensuring its authenticity and quality. This set is a valuable addition to any coin collector's portfolio, showcasing the coins minted in the United States in 1980.