Diptych the title of works consisting of two paintings never actually connected, but intended to be hung close together as a pair, such as Andy Warhol’s "Marilyn Diptych" (1962) which is a modern pop culture icon. "Diptych" is also often used in reference to films or pieces of literature that form a complementary pair. When taken together, they are viewed as illuminating each other and comprising a distinct work of art from the individual parts. An example is the pair of Alan Ayckbourn plays, House and Garden. It is in this form that the mention of "diptychs" in early Christian literature
Crucifixion Diptych (van der Weyden) Crucifixion Diptych (van der Weyden) Crucifixion Diptych — also known as Philadelphia Diptych, Calvary Diptych, Christ on the Cross with the Virgin and St. John, or The Crucifixion with the Virgin and Saint John the Evangelist Mourning — is a diptych by the Early Netherlandish artist Rogier van der Weyden, completed c. 1460, today in the Philadelphia Museum of Art. The panels are noted for their technical skill, visceral impact and for possessing a physicality and directness unusual for Netherlandish art of the time. The Philadelphia Museum of Art describes work as the "greatest Old Master painting in the Museum."