Collectible coins encompass various types, including commemorative coins, bullion coins, and proof coins. The United States, particularly through its minting facilities, has produced iconic collectible coins such as the One Dollar coins, which often feature significant historical figures or events. Proof sets, such as those from 2009 minted in San Francisco, are especially sought after for their high-quality finishes, showcasing each coin in pristine condition. These sets typically include a variety of denominations, allowing collectors to acquire a complete collection from a specific year.

Item Denomination Series Year Mint
2009-S $1 Presidential Proof Set 4 Coins $1 (One Dollar) Proof Sets 2009 San Francisco