| Issuer | Alderney |
| Year | 2021 |
| Type | Non-circulating coin |
| Value | 1/2 Sovereign |
| Currency | Pound (decimalized, 1971-date) |
| Composition | Gold (.9167) (22 ct) |
| Weight | 4 g |
| Dimensions | 16 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Joel Iskowitz |
| In circulation to | |
| Reference(s) | KM#328 |
| Obverse description | Bust of Queen Elizabeth II facing right, wearing the Diamond Diadem Crown |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH · II · DEI · GRA · REGINA ·
ALDERNEY · C.I.
2021 (Translation: Elizabeth II By The Grace of God Queen Alderney, Channel Islands) |
| Reverse description | Royal National Lifesaving Institution Lifeboat, the Roy Barker I, Trent Class, with flag. |
| Reverse script | Latin |
| Reverse lettering | WITH COURAGE NOTHING IS IMPOSSIBLE RNLI HALF SOVEREIGN |
| Edge | Reeded |
| Mint | |
| Mintage | 2021 - Proof - 1 999 |
| Catalog ID | 3610764800 |
| Comments |
