This barbute is stamped with the mark attributed to the Brescian armorer Jacopo da Cannobio, called Bichignola, and with the lion of Saint Mark, which signified ownership by the Republic of Venice.
Marking: Stamped on the right cheek: the lion of Saint Mark (the stamp of the Republic of Venice); Stamped twice at back of the bowl on the right: a horned animal head (goat or ram), and the letters IdB surmounted by a double cross with a split foot.
Ex. coll.: Baron C.A. de Cosson, Florence; George A. Douglass, New York City
Laking, Guy Francis, Sir, Charles Alexander Cosson, and Francis Henry Cripps-Day. A Record of European Armour and Arms Through Seven Centuries. Vol. III. London: G. Bell and Sons, 1920.
Mann, J. G. "An Embossed Visor Guidobaldo II, Duke of Urbino." The Burlington Magazine for Connoisseurs 82, no. 478 (January 1943). Armorer Jacobo detto Bichignola discussed; mark and two views of MMA helmet ill.
Thomas, Bruno, and Ortwin Gamber. "L'arte Milanese Dell'armatura." Storia di Milano XI (1958). pp. 698–841.
Boccia, Lionello G., Fabio Rossi, and Marco Morin. Armi e Armature Lombarde. Milan: Electa, 1980.
Pyhrr, Stuart W. "S.J. Whawell and the Art Market." The Eleventh Park Lane Arms Fair: Sunday 6th February 1994: the Marriott Hotel, Grosvenor Square, London W1 : 10.30 AM–6.00 PM (1994). pp. 17, 20.
Wixom, William. "An Embossed Visor of the Duke of Urbino." The Burlington Magazine 148 (2006). Armorer Jacobo detto Bichignola discussed; mark and two views of MMA helmet ill.