Collectible coins, particularly from the United States, encompass various types including commemorative, bullion, and mint sets. The 1981 Mint Sets, produced by the United States Mint, contain uncirculated examples of coins issued for circulation in that year, packaged in protective casing. These sets typically include a variety of denominations, showcasing coins such as the Lincoln penny (1 cent) and other federal currency. Collectors value Mint Sets for their pristine condition and historical significance, often seeking them to complete collections or as investment pieces.

Item Denomination Series Year Mint
1981 1c-$1 Mint Set 1c-$1 Mint Sets 1981 Philadelphia