As you can see, the original 1941 engraving was simply written over by 1942. Bottom line: While there were 19,300,000 of these Mercury dimes produced in San Francisco, this Mercury dime has the ...

A coin with dates that span two World Wars, the Great Depression, and more than three decades of American history, the Mercury dime is an icon of the early 20th century. It can also be worth a lot.