The 1918/7-S Standing Liberty Quarter

The 1918/7-S Standing Liberty Quarter is an extremely rare and popular overdate, especially in uncirculated condition. A single obverse die was overdated before producing an unknown number of the 11,072,000 Standing Liberty Quarters struck in San Francisco during the year.

The obverse die was created at the Philadelphia Mint where it was impressed once with a 1917-dated hub and subsequently with a 1918-dated hub. The die was then shipped to the San Francisco Mint where the mint mark was applied before the die was put into production. A similar variety was created during the same year for the nickel.

Despite the plainly visible appearance of the overdate, it was not discovered by collectors until nearly two decades after its creation. This results in very few surviving examples of the variety.