LithographDouble page lithograph printed on pages 6,7 DLM No. 188. Fold line down the center as issued.DLM stands for Derriere Le Miroir, literally translated as 'behind the mirror', is a French art magazine published from the late 30's until the early 80's that featured limited edition prints of artists works that often spanned multiple pages. Known by collectors simply as DLM, all issues of Derriere le Miroir are now scarce, and have become quite valuable. Published in 1970. Condition A- (near mint, very light signs of handling).