Lot Essay
The Bastion Zonnenburg was mentioned as a new construction in 1551. In 1637-1724 the academic herbgarden was situated here, while it was used as an astronomical observatory in the 19th Century. A view of the Bastion Manenburg of similar size and technique was sold, Sotheby's Mak van Waay, Amsterdam, 20 April 1970, lot 402, illustrated