Italian, 16th century, male.
Active in Italy in 1555.
Monogram of an engraver (etching/burin).
A.P. is mentioned by Bartsch and Le Blanc. This artist's known works include: Two Tritons, Head of a Roaring Lion, Grotesque Mask between Two Tridents with Intertwining Dolphins, Statue of Diana Surrounded by Arabesques...