Collectible coins encompass a wide variety of types, including historical coins, bullion coins, and commemorative issues, each appealing to different collectors. In the United States, coins such as the Morgan Dollar, American Gold Eagle, and state quarters are popular choices among numismatists. Factors that affect their value include rarity, demand, condition, and historical significance. The term "Proof" refers to coins struck with a high level of detail and finish, often sought after by collectors for their visual appeal. The market for collectible coins can vary greatly, influenced by trends and economic factors.

Item Denomination Series Year Mint
1860 G$2 1/2 Clark, Gruber & Co. K-1 G$2 1/2 Clark 1860 Denver, Colorado
1861 G$2 1/2 Clark, Gruber & Co. K-5 G$2 1/2 Clark 1861 Denver, Colorado