Knight of Malta (self-portrait?), a bust-length portrait in a twelve-sided frame

Self-Portrait

Ottavio Mario Leoni

Giovanni Baglione, a bust-length portrait in a twelve-sided frame

Ottavio Leoni (Il Padovano)

Giuseppe Cesare, called Cavaliere d'Arpino, a bust-length portrait in a twelve-sided frame

Ottavio Leoni (Il Padovano)

Antonius Tempesta

Ottavio Leoni

Cardinal Jules Mazarin

Robert Nanteuil

Christoforo Roncalli, called Pomerancio, a bust-length portrait in a twelve-sided frame

Ottavio Leoni (Il Padovano)

Philippe Le Roy

Anthony van Dyck

Pierre Maugis, seigneur des Granges

Jean Morin, After Philippe de Champaigne

Adolfus Comes Nassaviae Cadzenbog. Viand, Dietz

Crispijn van de Passe (I)

Cardinal Jules Mazarin

Robert Nanteuil

Marcellus Provenzalis

Ottavio Leoni

Shylock, from "Twelve Characters from Shakespeare"

John Hamilton Mortimer, William Shakespeare