Description: A bull’s head seen from the front, with horns, large eyes with pupils, ears, and a flower stem extending up from the top of the head.

Description of difference: The tips of the horns in Bull’s Head Group A are not level, which distinguish them from Group C. The close-set eyes are also less level than in Group C. No flower is visible on the stem. 

Briquet Comparison: B 14950, B 14951, B 14430, B 14431, and B 14432.^[1]

Found in folios: Arundel ff. 161-168, Arundel ff. 244-247, and Arundel ff. 279-280.

Potential Twins: N/A

[1] Because similarities to Briquet’s watermarks continue to be included in the literature, they have been cited here. Briquet comparisons were extracted from Carlo Pedretti and Carlo Vecce in “Apparati IV, V, Filigrane,” Il Codice Arundel 263 nella British Library: edizione in facsimile nel riordinamento cronologico dei suoi fascicoli (Florence: Giunti, 1998), 58-61; Carlo Pedretti, The Codex Hammer of Leonardo da Vinci, translated into English and annotated by Carlo Pedretti (Florence: Giunti Barbèra, 1987); Carmen C. Bambach in Leonardo da Vinci Rediscovered, 4 vols. (New Haven and London: Yale University Press, 2019); and Juliana Barone, ed., Leonardo da Vinci: A Mind in Motion, exh. cat. (London: The British Library, 2019).