COPPA, JACOPO, of Modena (fl. 1542-1561). Il modo d'adoperare il balador secreto dei giudei. Florence, 1 October 1573. Broadside (428 x 290 mm). Woodcut allegorical border incorporating an emblem with the motto "Veritas super omnia vincit" and the arms of "Jacobus Coppa Mutinensis", 2 ornamental woodcut initials. (Slightly foxed, old fold reinforced on verso, one corner slightly frayed.) Modern calf case. Jacopo Coppa of Modena was an itinerant seller of medicines, a doctor who treated notable people, including Cosimo de' Medici and the Venetian noblewoman Caterina Barbaro, and an editor of Ariosto and other Italian literature of his day. This apparently unrecorded broadside advertises, and provides the recipe for, a nostrum previously known only to the Jews but now offered by Jacopo. For those who take it according to the prescription, it is said to cure a wide variety of ailments, enumerated here.