Not to be Reproduced (La reproduction interdite, 1937) is a painting by the Belgian surrealist René Magritte. It is currently owned by the Museum Boijmans Van Beuningen in Rotterdam.This painting was commissioned by poet and Magritte patron Edward James and is considered a portrait of James although James's face is not depicted. This painting was one of three produced by Magritte for the ballroom of James's London home.