What This Coin Looks Like (Obverse, Reverse, Mint Mark Location, Special Features, etc.): There were two major varieties of the 1842 O Seated Liberty Quarter. One variety had a small date with smaller numbers while the other variety had a larger date with larger numbers. The difference and comparison of the large date vs small date can be seen in the example image above.
Coin Value Chart: Typical Coin Prices, Values and Worth in USD based on Grade/Condition. Numismatic portion of the values last updated February 2026, precious metal portion of the values is updated live!