La reproduction interdite (Not to Be Reproduced) René Magritte 1937 . Too late to reproduce . 3D software reenactment H.Hoogerbrugge 2020 . Not to be Reproduced was published around 1937 and currently sits in the Museum Boijmans Van Beuningen in Rotterdam. The painting is considered to be a portrait of a poet who was at the time one of Magritte's acquaintances and friends. However, this throws more questions as to why only the back of his head is portrayed. One curiosity about the piece is that the book on the mantlepiece is correctly reflected. .