| Issuer | United Kingdom |
| Year | 2018 |
| Type | Non-circulating coins |
| Value | 25 Pounds |
| Currency | Pound sterling (decimalized, 1971-date) |
| Composition | Gold (.9999) |
| Weight | 7.8 g |
| Dimensions | 22 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Sp#OA5 |
| Obverse description | Fifth crowned portrait of Queen Elizabeth II right, wearing the George IV State Diadem, legend around. |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II·D·G·REG·F·D·25
POUNDS·
J.C (Translation: Elizabeth the Second by the Grace of God Queen Defender of the Faith) |
| Reverse description | Royal Air Force badge with motto, legend and dates around. |
| Reverse script | Latin |
| Reverse lettering | THE 100TH ANNIVERSARY OF THE ROYAL AIR
FORCE
PER ARDVA · AD ASTRA
RM
1918 - 2018 (Translation: Through adversity to the stars) |
| Edge | Reeded |
| Mint | |
| Mintage | 2018 - Proof - 270 |
| Catalog ID | 3413495740 |
| Comments |
