Today we have this ruling authority for Spanish Netherlands: Philip III (1598-1621).
This is incorrect. The correct ruling authority for this period is Albert and Isabella.
Better times came, when in 1598 the Spanish Netherlands passed to Philip's daughter Isabella Clara Eugenia and her husband Archduke Albert VII of Austria.
https://en.wikipedia.org/wiki/Spanish_Netherlands
(I am embarrassed it took me so long to see this).
I am slowly correcting rulers' names, adding ruling authorities and other missing fields in this part of the catalog, and we have 73 (!) coins from this reign.