Collectible coins, such as the 1938 San Francisco quarter, are of significant interest to numismatists due to their historical and monetary value. The 1938 quarter, part of the Washington quarter series, has unique characteristics such as its mint mark 'S' indicating it was produced at the San Francisco Mint. Rolls of 25c quarters can contain variations that affect their collectibility, including minting errors, conditions, and rarity, making them sought after by collectors in the United States.

Item Denomination Series Year Mint
1938-S 25c Roll 40 Coins 25c Roll Quarters 1938 San Francisco