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MARTIN ENGELMANN (1924 – 1992) SIX PAPERS LOT4 LITHOGRAPHS FROM THE CIRCUS SERIE, NUMBERED III/X, 32/50, III/X AND VIII/X THREE EXEMPLARS CM 76,5 x 54 AND ONE EXEMPLAR CM 66 x 50,5, 2 ETCHINGS, NUMBERED 2/15 AND NUMBERED A.E., CM 75 x 53,5 AND CM 78 x 53 SIGNED BOTTOM RIGHT