Inscription: Lettered in the plate bottom center: '.IO.AN.BX.' and vertically at left: 'DIVO HERCULI INVICTO.'
Marking: Watermark of a large circle with a head; written in pencil in modern hand on verso at lower left: 'Durazzo Coll'.
Apparently Count Giacomo Durazzo (Italian)
B.XIII.325.14; TIB.Commentary.XXV.2511.017; Hind 36.1.
Adam von Bartsch Le Peintre graveur. Vienna, 1803, cat. no. XIII.325.14, p. 325.
Arthur Mayger Hind Early Italian engraving: a critical catalogue with complete reproduction of all the prints described. London and New York, 1938-1948, cat. no. 36.1, p. 36-7.
TIB The Illustrated Bartsch - Commentary Volumes. 1978–, cat. no. XXV.2511.017, p. 338.