Collectible coins, particularly from the United States, include a variety of denominations and types. The 50-cent roll of half dollars, especially those minted in 2009 in San Francisco, typically consists of coins produced for collectors, featuring enhanced finishes and specific designs. The San Francisco Mint is known for its high-quality coinage, and the 2009 half dollars often reflect unique commemorative themes, appealing to numismatists due to their limited mintage and distinct characteristics. These coins can serve as both a hobby and an investment, drawing interest from collectors and investors alike.

Item Denomination Series Year Mint
2009-S 50c Roll 20 Coins Clad 50c Roll Half Dollars 2009 San Francisco