| Location | United Kingdom |
| Year | 1791 |
| Type | Commemorative medals/Event medal |
| Composition | Pewter |
| Weight | |
| Diameter | 38 mm |
| Thickness | |
| Shape | Round |
| Technique | Milled |
| Orientation | |
| Edge | |
| Period | |
| Notice | W. Mainwaring |
| Reference(s) | BHM#349 |
| Obverse description | Conjoined, draped busts of the Duke and Duchess of York left |
| Obverse lettering | FREDERICUS . D . G . EPISC . OSNAB . DUX . EBOR . & FREDERICA . PRINC . REG . BORUSS. |
| Obverse script | Latin |
| Reverse description | Legend within laurel wreath |
| Reverse lettering | QUOD FELIX FAVSTVMQVE SIT.
SPONSI . NOV . 23 . 1791. (Translation: May it prove happy and fortunate) |
| Reverse script | Latin |
| Engraver | |
| Mintage | 1791 - - |
| Catalog ID | 3418882870 |
| Comments |
