Signed and dated (according to Bartsch), in plate at upper left, but very difficult to see: Bol f. 1645.
Watermark, obscured by image along lower left edge: [possibly part of a watermark] Stamped, twice in red, verso: DIA Stamp, verso: Scripps 1887 [added in ink to the stamp] (Lugt Suppl. 2357a)
Inscribed, in pencil, verso: [numeric notations]