lithography, paper, 37/150, 2 sheets of text, 56 × 75,5 cm, sign. PD in pencil by Ilya Kabakov, LD in pencil by Mikhail Grobman, 3 sheets sign. PD in pencil by Ilya Kabakov, 2 sheets sign. PD in pencil by Michail Grobman, LD blindprinted stamp Loushy editions