Collectible coins, particularly those from the United States, encompass a wide range of types, including the iconic One Dollar coins and the early Coronet Head Cents. The One Dollar coin has undergone various designs throughout history, with notable issues such as the Morgan and Peace dollars. The Coronet Head Cent, minted from 1816 to 1839, features a design by Robert Scot and is known for its distinct portrait of Liberty. These coins are valued by collectors for their historical significance, rarity, and condition.