Erni, Hans (Lucerne 1909 - 2015 Lucerne), two color offset prints: "Cybernétique", in the depiction print signature u. dat. (19)71 and couple as nudes, in the depiction print signature a. dat. (19)65, 52.5 x 48.5 and 65 x 48 cm (mat cut-out) respectively, each lower part framed. Glass framed, overall sizes: 71 x 66 and 83 x 65 cm, 4216 - 0169

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