Opening of the Canal from Bergen to Tournai; in honor of Willem I Frederik; King of the Netherlands; Unilateral silver medal; the reverse of which is covered with paper with text. Front: man's bust inside the inside. Reverse: text on paper; Canal from Mons to Tournai; Mons; Tournai; Scheldt; Haine; Willem I Frederik (King of the Netherlands); Joseph Pierre Braemt (copy after); Brussels; 1826; silver (metal); paper; striking (metalworking); d 5 cm x w 37.41 gr