| Issuer | United Kingdom |
| Year | 2018 |
| Type | Non-circulating coin |
| Value | 5 Pounds |
| Currency | Pound sterling (decimalized, 1971-date) |
| Composition | Gold (.9167) |
| Weight | 39.94 g |
| Dimensions | 38.61 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Jody Clark Reverse: Stephen Taylor |
| In circulation to | |
| Reference(s) | Sp#L61, KM#1583b |
| Obverse description | Fifth crowned portrait of HM Queen Elizabeth II right, wearing the George IV State Diadem, legend around. |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II·D·G·REG·FID·DEF·5
POUNDS·
J.C (Translation: Elizabeth the Second by the Grace of God Queen Defender of the Faith) |
| Reverse description | The Royal Standard in the style of the Coat of Arms of Westminster below Her Majesty the Queen`s Royal Cypher, legend above, dates below. |
| Reverse script | Latin |
| Reverse lettering | SAPPHIRE ANNIVERSARY E II R ST · 1953 - 2018 · |
| Edge | Plain with incuse lettering |
| Mint | |
| Mintage | 2018 - Proof - 475 |
| Catalog ID | 4137269790 |
| Comments |
