Collectible coins are numismatic items sought after by enthusiasts and investors for their historical value, rarity, and aesthetic appeal. In the United States, coins such as the 1-cent (penny) and 50-cent pieces are part of this collectible market. Mint sets, which include coins from various denominations produced in a specific year and from a particular U.S. Mint facility, are popular among collectors; for example, the 1990 Mint Set from Philadelphia features uncirculated coins from that year. These sets are often favored for their condition and potential for appreciation in value over time.

Item Denomination Series Year Mint
1990 1c- 50c Mint Set 1c- 50c Mint Sets 1990 Philadelphia