Properly the Winged Liberty Head; the wings on Liberty's cap were mistaken for the messenger god Mercury. Considered one of the most beautiful US coins. Full Bands designation (FB) on the reverse fasces is the premium attribute.
| Designer | Adolph A. Weinman |
|---|---|
| Composition | 90% silver / 10% copper |
| Weight | 2.5 g |
| Diameter | 17.91 mm |
| Edge | Reeded |
| Series | Mercury Dime |
| Years issued | 1916–1945 |
| Year | Mintmark | Variety | Mintage | Rarity |
|---|---|---|---|---|
| 1916 | D | — | 264K | key |
| 1921 | D | — | 1.1M | semi-key |
| 1921 | P | — | 1.2M | semi-key |
| 1942 | D | Overdate 1942/1-D | — | key |
| 1942 | P | Overdate 1942/1 | — | key |