X-radiograph(s) of "Madonna and Child", 1483 - 1520

Artist of original: Attributed to Raphael

X-radiograph(s) of "Portrait of a Preacher", 1581 - 1666

Artist of original: Frans Hals

X-radiograph(s) of "Penelope Royall", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Portrait of Rembrandt's Mother", 1613 - 1675

Artist of original: Gerhard Dou

X-radiograph(s) of "Portrait of a Young Lady", 1617 - 1681

Artist of original: Gerard Terborch

X-radiograph(s) of "Self-Portrait", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Portrait of an Elderly Lady", 1617 - 1681

Artist of original: Gerard Terborch

X-radiograph(s) of "Three Female Figures", 1596 - 1669

Artist of original: Pietro da Cortona

X-radiograph(s) of "Dutch Palette"

X-radiograph(s) of "Portrait of Mrs. J.H. Brae", born 1788

Artist of original: William Lewis

X-radiograph(s) of "Self-Portrait", 1602 - 1674

Artist of original: Philippe de Champaigne

X-radiograph(s) of "Death of Leonardo", 1780 - 1867

Artist of original: Jean-Auguste-Dominique Ingres

X-radiograph(s) of "Tempesta", 1637 - 1701

Artist of original: Pieter Mulier the Younger, called Tempesta

X-radiograph(s) of "Waterfall", 1628/29 - 1682

Artist of original: Jacob van Ruisdael

X-radiograph(s) of "Panel", 1610 - 1668

Artist of original: Jan Molenaer

X-radiograph(s) of "Bust of Corbin de Cordet", 1730 - 1809

Artist of original: Augustin Pajou

X-radiograph(s) of "Portrait of Sir George Downing"

X-radiograph(s)

X-radiograph(s) of "Madonna and Child", 1435 - 1488

Artist of original: Andrea del Verrocchio

Aura from "Materials Lab", born 1962

Fernanda Fragateiro