| Issuer | Gibraltar |
| Year | 1990 |
| Type | Non-circulating coin |
| Value | 1/2 Crown (0.125) |
| Currency | Crown Coinage (1967-date) |
| Composition | Gold (.9999) |
| Weight | 15.55 g |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#49c, Fr#10 |
| 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 | Penny Black Stamp between portraits of Sir Rowland Hill and Henry Corbould |
| Reverse script | Latin |
| Reverse lettering | 150th ANNIVERSARY of the FIRST ADHESIVE POSTAGE STAMP . 1/2 CROWN . |
| Edge | Reeded |
| Mint | (PM) Pobjoy Mint, Surrey, United Kingdom (1965-2023) |
| Mintage | 1990 - Proof - 2 500 |
| Catalog ID | 9546452440 |
| Comments | Krause catalogs list this coin as 1 crown, in fact it is denominated 1/2 crown and it weights 1/2 oz gold. |
