Léopold Ier (1831-1865). Module de 100 francs en Or, mariage du duc et de la duchesse de Brabant, Flan bruni (PROOF) 1853, Bruxelles.

BELGIUM Leopold I (1831-1865). Module of 100 francs in gold, marriage of the Duke and Duchess of Brabant, Proof 1853, Brussels.
Obv. LEOPOLD PREMIER ROI DES BELGES. Bare head facing left, below signature L. WIENER.
Rev. L.L.PH. M. V. DUC DE BRABANT M. H. A. DUCHESSE DE BRABANT / 21-22 AOUT 1853. Attached busts facing right, below signature LEOP. WIENER.
Fr.6 - Dupr.538; Gold - 32.2g - 37 mm - 6 h.
Top Pop: this is the finest known example ! From Elsen 150 sale n° 1256
PCGS PR64CAM. Proof. Irregular rim following the marking of the edge. In its mint state with mirror fields and matte reliefs. Beautiful light with mint lustre barely colored.