Inscribed on the verso, in graphite, at center, "889"; at lower center, "34 N"; at left, "#249"; and at lower left corner, "Jan Asslyn (eigen Portret) 1610 / b:j genaamd Krabbetje".
Watermark: Basilisk (Cockatrice) threatening a church (similar to Heawood, no. 842: Holland, 1611), dragon, basilisk, threatening church, crozier.
Ryskamp, Charles, ed. Seventeenth Report to the Fellows of the Pierpont Morgan Library, 1972-1974. New York : Pierpont Morgan Library, 1976, p. 150.
Jane Shoaf Turner, with contributions by Felice Stampfle, Dutch Drawings in the Pierpont Morgan Library: Seventeenth to Nineteenth Centuries, New York, 2006, cat. no. 2.
Burlington Magazine, CXVI, November 1974, cxxxiv, repr.
Warner, Catherine, donor.