| Issuer | Gibraltar |
| Year | 1990 |
| Type | Non-circulating coin |
| Value | 1/5 Crown (1/20) |
| Currency | Crown Coinage (1967-date) |
| Composition | Gold (.9999) |
| Weight | 6.22 g |
| Dimensions | 22 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#48, Fr#11 |
| 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 - 5 000 |
| Catalog ID | 3884537440 |
| Comments |
