| Issuer | United Kingdom |
| Year | 2017 |
| Type | Non-circulating coin |
| Value | 25 Pounds |
| Currency | Pound sterling (decimalized, 1971-date) |
| Composition | Platinum (.9995) |
| Weight | 7.85 g |
| Dimensions | 20 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Etienne Millner Reverse: John Bergdahl |
| In circulation to | |
| Reference(s) | Sp#PA1 |
| Obverse description | Conjoined portrait depicting HM Queen Elizabeth II and HRH Prince Philip, Duke of Edinburgh right, legend around. |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II D G REG F D ⠂PHILIP
PRINCEPS ⠂
25 POUNDS
EM (Translation: Elizabeth the Second by the Grace of God Queen Defender of the Faith, Prince Philip) |
| Reverse description | The heraldic Arms of Her Majesty The Queen and those of His Royal Highness Prince Philip, The Duke of Edinburgh with legend and date below. |
| Reverse script | Latin |
| Reverse lettering | 70 YEARS OF MARRIAGE ⠂2017 ⠂ JB |
| Edge | Reeded |
| Mint | |
| Mintage | 2017 - Proof - 897 |
| Catalog ID | 4887710610 |
| Comments |
