Description: A horizontal horn with the open end hanging lower than the narrow tip, from a string tied to both ends, which loops above.

Description of difference: The horn in Group B has one nodule on the narrow tip, as opposed to two, as seen in Group A. The string is attached nearer to the narrow tip than in Group A.

Briquet Comparison: B 7698, B 7701, B 7702.^[1]

Found in folios: Arundel ff. 146-150.

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).