William Ist, United Kingdom of the Netherlands. Commemorative Medal of the Installation of the Province of Hainaut. Obv. PRO REGE ET PATRIA CONCORDES H. SIMON. G. P. DU ROI. l'exergue : PRIMA JULII MDCCCXVI. (Treaty for King and Country July Ist 1816). Rev. Dans le champ :REGI WILHELMO PRINC-OPT.COMITIA HANNONIAE RESTAURATA PRAESIDE DE BOUSIES DICANT. (To the rule of William, the greatest prince, the people of Hainaut restored by the committee of Bousies decree.) Bronze 47mm.