Ox & Horse
Opposite the Waag, cross the modern bridge and look for an Ox and a Horse.
A butcher was located on this site in the 17th century.
1. The ox and horse are on a facing brick across the bridge.
The correct answer is: 1644!
Cross the long bridge and turn left.
The Ox and Horse can be found between nr. 14A and 15.
Too bad, try again.