Postcard of "The Wedding Procession of Prince Dara-Shikoh", by Unknown, 1997, Smithsonian Archives - History Div, Color postcard advertising the "King of the World Exhibit" at the Arthur M. Sackler Gallery. The image is of a detail from "The Wedding Procession of Prince Dara-Shikoh" (c. 1640) by an unknown artist. The postcard is unused, but the message side has printed information about the exhibit and the artwork featured on the postcard..