Collectible coins, particularly in the United States, include a wide variety of types, with notable examples like the 1876 One Dollar patterns minted in Philadelphia. These patterns were experimental coins created to test new designs or technologies before mass production. The 1876 One Dollar patterns are significant for their historical context and limited mintage, making them highly sought after by collectors. Their unique designs and rarity contribute to their value within the numismatic community.

Item Denomination Series Year Mint
(1876) PT$1 Silver J-1475a $1 (One Dollar) Patterns 1876 Philadelphia
1876 P$1 Sailor Head, Silver J-1457 $1 (One Dollar) Patterns 1876 Philadelphia
1876 PG$1 Copper J-1478 BN $1 (One Dollar) Patterns 1876 Philadelphia