Payment of the royal tax on mills in the treasury of the city of Brussels; calculation token of Jean Vander Tommen; magistrate of the treasury of Brussels; Copper token Front: windmill and watermill within a circle. Reverse side: helmeted coat of arms within a circumference; Brussels; Jean Vander Tommen; anonymous; Jan-1650; copper (metal); striking (metalworking); d 3 cm x w 6.12 gr