Portrait of Pietro Aretino, ca. 1517?20, Engraving; second state of two, Sheet: 8 3/8 ? 5 7/8 in. (21. 3 ? 15 cm), Prints, Marcantonio Raimondi (Italian, Argini (? ) ca. 1480?before 1534 Bologna (? ) ), After (? ) Titian (Tiziano Vecellio) (Italian, Pieve di Cadore ca. 1485/90? ?1576 Venice), Often regarded as the first modern pornographer, the poet and satirist Pietro Aretino (1492?1556) penned some of the most lurid and salacious verses of the sixteenth century, most famously the sixteen sonnets he wrote to accompany Giulio Romano's I modi and the erotic dialogues featuring a worldly-wise puttana (prostitute) Nanna conversing in explicit and lively detail about endless and infinitely varied sexual adventures?her own and those of innumerable others that she surreptitiously witnessed