Collectible coins encompass a wide variety of types, including commemorative issues, limited mintage, and specialty coins. The United States half dollars, particularly those minted in San Francisco, are notable for their numismatic value, especially in higher grades. A 50-cent roll of half dollars from the year 2007 is typically composed of coins minted for circulation or numismatic purposes, often featuring designs that may appeal to collectors due to their historical significance or rarity. San Francisco Mint coins are particularly sought after due to their quality and the city's reputation for producing special collector editions.

Item Denomination Series Year Mint
2007-S 50c Roll 20 Coins Clad 50c Roll Half Dollars 2007 San Francisco