The quality of the 23 prints was outstanding as they had been made by some of the leading engravers of the time such as Johannes Wierix, Adriaen Collaert and Cornelis Cort.
The quality of the 23 prints was exceptional as they had been produced by some of the top engravers of that era, including Johannes Wierix, Adriaen Collaert, and Cornelis Cort.