| Issuer | United States |
| Year | 2008 |
| Type | Non-circulating coin |
| Value | 50 Cents (0.50 USD) |
| Currency | Dollar (1785-date) |
| Composition | Copper-nickel clad copper |
| Weight | 11.34 g |
| Dimensions | 30.6 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Obverse: Joseph Menna Reverse: Charles Lessie Vickers |
| In circulation to | |
| Reference(s) | KM#438 |
| Obverse description | Two baby eaglets and an egg within a Bald Eagle nest. |
| Obverse script | Latin |
| Obverse lettering | LIBERTY * 2008 IN GOD WE TRUST |
| Reverse description | The Bald Eagle “Challenger” with an American flag in the background. “Challenger” is a non-releasable Bald Eagle who has been trained to free fly at major events during the National Anthem. |
| Reverse script | Latin |
| Reverse lettering | E PLURIBUS CHALLENGER UNUM UNITED STATES of AMERICA S HALF DOLLARั |
| Edge | Reeded |
| Mint | S United States Mint of San Francisco, United States (1854-date) |
| Mintage | 2008 S - - 120 180 2008 S - Proof - 220 577 |
| Catalog ID | 3887571960 |
| Comments |
