X-radiograph(s) of "Two Smockers"

Adriaen van Ostade

Denarius of Cn. Cornelius P.f. Lentulus Marcellinus, perhaps Spain

Cn. Cornelius P.f. Lentulus Marcellinus

Commemorative Coin of Constantine I, Cyzicus

Constantine I

Miniature Oinochoe

X-radiograph(s) of "Madonna with Child"

Giovanni Bellini

The Priest Ryōsen from the series Eight Views of the Hundred Poets: View of an Autumn Sunset (Hyakunin isshu mitate hakkei Ryōsen Hōshi: Aki no yūshō)

Rekisentei Eiri 礫川亭永理 (鳥橋斎栄里)

X-radiograph(s) of "Portrait of Leonard von Eck"

Barthel Beham

Spouted Redware Feeder Jug

X-radiograph(s) of "Pieta"

Jan Brueghel the Elder Peter Paul Rubens

Small Square Weight

X-radiograph(s) of "A Warrior"

Francesco Bonsignori

X-radiograph(s) of "Madonna and Child"

Bernardino Luini Marco d' Oggiono Leonardo da Vinci

Miliaresion of Constantine VI (780-797), Constantinople

Constantine VI

["Church of St. Mary I," 1929, oil painting by Lyonel Feininger]

Lyonel Feininger

X-radiograph(s) of "Madonna and Child"

Giovanni Ambrogio de Predis Giovanni Antonio Boltraffio

X-radiograph(s) of "Crucifixion"

Spinello Aretino

X-radiograph(s) of "Ecce Homo"

Andrea Solario

X-radiograph(s) of "Landscape"

John Constable