Collectible coins, particularly those from the United States, include various denominations and types. The 1944 Half Dollar, minted in San Francisco, is an example of a collectible coin from the 20th century. These coins can be found in rolls, such as a 50-cent roll, and are of interest to numismatists due to their historical significance and potential value. San Francisco mint marks indicate specific production qualities and rarity among collectors.

Item Denomination Series Year Mint
1944-S 50c Roll 20 Coins 50c Roll Half Dollars 1944 San Francisco