Association of the Netherlands and Belgium under Willem I Frederik; King of the Netherlands; Silver Medal. Front: man's bust inside the inside. Reverse: Belgium with a stuffed horn of plenty in hand and the Netherlands with a ship rudder give each other a hand above two coats of arms; which together are covered by a crown within an inscription; cut off: inscription; Netherlands; Belgium; Willem I Frederik (King of the Netherlands); Auguste Francois Michaut; 1815; silver (metal); striking (metalworking); d 7.3 cm x w 168.48 gr