Collectible coins, particularly in the context of U.S. numismatics, include a variety of types such as patterns, commemoratives, and circulating coins. The 1880 Philadelphia One Dollar coin is significant among collectible coins, especially as a pattern, which refers to trial pieces made to test designs or compositions before mass production. Patterns often attract collectors due to their rarity and unique traits, making them highly valued in the numismatic market. The specific designs and minting processes of these coins provide insight into the historical context of U.S. coinage.

Item Denomination Series Year Mint
1880 P$1 Goloid J-1645 $1 (One Dollar) Patterns 1880 Philadelphia