X-radiograph(s) of "Woman playing Cello with Muses", 1544 - 1574

Artist of original: (?) Jacopo Bertoia

Portrait of Charles V, Holy Roman Emperor (after Cranach?), 1494 - 1574

Haydar Reis (called Nigari)

Engraved Belt

Greek

X-radiograph(s) of "Boy and Girl", 1571 - 1610

Artist of original: School of Michelangelo Merisi da Caravaggio

X-radiograph(s) of "Mother and Child", 1844 - 1926

Artist of original: Mary Cassatt

X-radiograph(s) of "Landscape"

X-radiograph(s) of "Mother and Children"

X-radiograph(s) of "Columbus"

X-radiograph(s) of "Clement IX", 1639 - 1709

Artist of original: Giovanni Battista Gaulli (Il Baciccio)

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

X-radiograph(s) of "Pieta"

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

X-radiograph(s) of "Scholar", 1699-1763

Artist of original: (?) Giuseppe Nogari

X-radiograph(s) of "Crowning of the Virgin", c. 1315-1368

Artist of original: School of Orcagna

X-radiograph(s) of "Madonna and Saints", 1492-1527

Artist of original: Domenico Puligo

X-radiograph(s) of "Suzanna", 1606 - 1669

Artist of original: School of Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Portrait of a Man", 1599 - 1660

Artist of original: (?) Diego Rodriguez Velázquez

X-radiograph(s) of "Adoration", 1626-1679

Artist of original: Jan Steen

X-radiograph(s) of "Portrait of a Woman", 1612 - 1695

Artist of original: (?) Pierre Mignard

X-radiograph(s) of "Miracle of St. Nicholas", c. 1370-1427

Artist of original: School of Gentile da Fabriano