Watch List notes:

(g) The Jean-Marie Vanmeerbeeck Collection of Belgian Gold Coins | Belgium, Leopold I (1831-1865), Commemorative Module Proof 100 Francs, 1853, Brussels, by L Wiener, On the Marriage of the Duke of Brabant to Marie Henriette of Austria, LEOPOLD PREMIER ROI DES BELGES, bare head left, rev. conjoined bare heads right, raised edge lettering downwards, 32.30g, 6h (KM X3.1; Dupriez 538; Morin M1; Eeckh. 3; Fb. 409 [6]), light handling marks, in otherwise brilliant fields, a pleasing extremely fine, rare, with only 482 reportedly pieces struck

Provenance
The Jean-Marie Vanmeerbeeck Collection of Belgian Gold Coins