signed, dated and numbered 37/75 in pencil (there were also 15 artist's proofs), printed by Emil Matthieu, Zurich, published by Editions Alecto Ltd., London, with their ink stamp verso, the full sheet, framed
Lot Details
signed, dated and numbered 37/75 in pencil (there were also 15 artist's proofs), printed by Emil Matthieu, Zurich, published by Editions Alecto Ltd., London, with their ink stamp verso, the full sheet, framed