~21.70mm Diameter; ~3.2grams, copper. I haven't done any serious research on this, yet. Oops! Krause has a bewildering assortment of denominational names...I'm gonna need some help with that...Thanks! wlw
Side note: At that time there already was a Republic of the United Seven Provinces aka Republic of the Netherlands. But that was a relatively loose federation, and the provinces struck their own money. Zeeland is still a province of today's Netherlands. Christian