Münz believed that the plate may have been worked up from II onwards with the assistance of a pupil. Cf. the painting, in reverse, in the Mauritshuis, "The Hague" (Bredius 77). (White and Boon)
One of two impressions of state V in the Library (see RvR 421).
The plate generally reworked, not by Rembrandt, e.g. heavy diagonal shading on the shoulder on the left. (White and Boon)
Man Wearing a Close Cap: Bust (The Artist's Father?)