Jean arp - portrait in blue - original color lithograph, signed in the plate, published in 1949 by maeght for dlm publication in 1950 (2nd impression) éditions pierre a feu ( suite l'art abstrait ) in paris, france. printed by imprimerie union, paris, france. *reference : arntz 134 size: 38 x 28 cm in excellent condition i have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution