The 1921-S Walking Liberty Half Dollar has a relatively low mintage of 548,000; which is a moot point as this issue has the lowest survival estimate and is viewed as the official key date of the series. Interestingly enough up to VF, it is not quite scarce at which point takes a massive jump into XF which is scarce. Then it becomes truly rare in the AU to low-end Mint State range. MS63 through MS66 are all extreme rarities at varying levels. Strikes of this date are somewhat average with decent luster and mostly white pieces as toning, is scarce.
| Country | United States of America |
| Year | 1921 |
| Serie | Walking Liberty Halves |
| Denomination | 50c |
| Mint | San Francisco |
| coinage-type | Walking Liberty half dollar |
| desg | MS |
| designer | Adolph A. Weinman |
| diameter | 30.6 |
| edge | Reeded |
| fineness | 0.9 |
| material | 90% silver; 10% copper |
| mint-mark | S |
| mintage | 548,000 |
| ngc-id | 24R8 |
| obverse-description | Liberty portrayed standing on a rock, facing left, with flowing robes and her right hand outstretched with a star-covered drapery flowing behind her. I bright sun, with extended rays is rising from the horizon on the lower left. The word LIBERTY frames the periphery and date appears at the bottom center. and the motto IN GOD WE TRUST is in the right field. |
| pcgs-link | 6585 |
| pcgs-number | 6585 |
| prefix | Key Date |
| reverse-description | A large eagle perched on a rock, facing left with wings elevated in a defensive posture. UNITED STATES OF AMERICA and HALF DOLLAR appear on the periphery. The motto E PLURIBUS UNUM sits atop a small olive branch left of the eagle. The mintmark is small, and placed below the olive branch near the left rim. |
| weight-grams | 12.5 |
| weight-ounces | 0.36169 |
| year-display | 1916-1947 |