Isaaci Casauboni Ad epistolam illustr. et reuerendiss. Cardinalis Perronij, responsio - Casaubon, Isaac (Excudebat [Eliot's Court Press, for] Ioannes Norton, serenissimæ Regiæ Maiestatis, in Latinis, Græcis & Hebraicis typographus, 1612)
The roman numeral date is made with turned C's
Keywords: Du Perron; Jacques Davy; Lettre de Monseigneur l'illustriss. card. Du Perron