Winged Head or Mercury Dime 1916 - 1945

Weight: 2.5 grams

Content: 90% silver 10% copper

Diameter: 17.9 millimeters

Mint Mark Legend

Just below the wreath on the reverse.

P or none    Philadelphia    1793-present
D    Denver, CO    1906-present
S    San Francisco, CA    1854-1955; 1968-present