Collectible coins are often sought after by enthusiasts and investors for their historical significance, rarity, and intrinsic value. The Morgan Dollar, minted from 1878 to 1904 and again in 1921, is particularly popular, with various versions and mint marks affecting its collectibility. The 1880 Morgan Dollar, especially those minted in New Orleans (denoted by the "O" mint mark), is notable for its limited mintage and demand among collectors. The Five Dollar gold coins from the United States also attract attention due to their design and gold content, contributing to the diverse landscape of U.S. coin collecting.