| Issuer | Belgium |
| Year | 1866 |
| Type | Pattern |
| Value | 1 Franc (1 BEF) |
| Currency | Franc (1832-2001) |
| Composition | Gold |
| Weight | 7.32 g |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Léopold Wiener |
| In circulation to | 30 July 1932 |
| Reference(s) | Delmonte G#1298, KM#–, Mor#–, LA#– |
| Obverse description | Head of King Leopold II of Belgium with beard, facing left, surrounded by legend in French. |
| Obverse script | Latin |
| Obverse lettering | LEOPOLD II ROI DES BELGES
L WIENER (Translation: Leopold the Second, King of the Belgians) |
| Reverse description | Coat of arms of Belgium with grand collar of the Order of Leopold. Two sceptres with hand of justice and lion behind. Motto in French above. |
| Reverse script | Latin |
| Reverse lettering | L`UNION FAIT LA FORCE
1 F
1866 (Translation: Unity makes strength) |
| Edge | Reeded |
| Mint | |
| Mintage | 1866 - - |
| Catalog ID | 1086399590 |
| Comments |
