| Issuer | Gibraltar |
| Year | 1990 |
| Type | Non-circulating coin |
| Value | 1 Sovereign |
| Currency | Pound (decimalized, 1971-date) |
| Composition | Gold (.916) |
| Weight | 7.96 g |
| Dimensions | 22.10 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#43 |
| Obverse description | Right facing uncouped bust of Queen Elizabeth II, wearing the George IV State Diadem, legend and date around |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II GIBRALTAR · 1990 RDM PM |
| Reverse description | Standing Britannia with key, shield and spear, Rock of Gibraltar in the backround |
| Reverse script | Latin |
| Reverse lettering | TWENTY-FIRST ANNIVERSARY OF THE CONSTITUTION |
| Edge | Reeded |
| Mint | (PM) Pobjoy Mint, Surrey, United Kingdom (1965-2023) |
| Mintage | 1990 PM - Proof - 1 000 |
| Catalog ID | 3458355240 |
| Comments |
