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

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

Ottavio Leoni (Il Padovano)

Self-Portrait

Ottavio Mario Leoni

Antonius Tempesta

Ottavio Leoni

Christoforo Roncalli, called Pomerancio, 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)

Marcellus Provenzalis

Ottavio Leoni

Shylock, from "Twelve Characters from Shakespeare"

John Hamilton Mortimer, William Shakespeare

Cardinal Jules Mazarin

Robert Nanteuil

Shylock

John Hamilton Mortimer

Philippe Le Roy

Anthony van Dyck

Inigo Jones (from Inigo Jones's "The most notable Antiquity of Great Britain vulgarly called Stone-heng on Salisbury Plain," 1655)

Wenceslaus Hollar, After Anthony van Dyck, Inigo Jones

Omer Talon

Claude Mellan