Unidentified 17th century engraver, large copper... Lot 7012

Unidentified 17th century engraver, large copper engraving depicting a seated ruler suspiciously listening to a group of women approaching from behind. Possibly Joan the Mad of Castile. Print in front of the lettering on laid paper with about 1.5 cm margin around the facet, at the back side two collector's stamps: ''R.'' (Lugt 4281), as well as ''Korlsahorn Collection'' (?), sheet dimensions 44.5 x 34.5 cm