Benches by Giancarlo Piretti for Castelli, 1970s, Set of 2

Two two-seater benches by designer giancarlo piretti for castelli, 1970s edition. The structure is in steel and polished aluminum, the seat and back are in resin covered with a red varnish.
good state of conservation, patina of use.
dimensions: 1.10 m x 0.45 m and 0.77 m height, 0.43 m seat height. This piece has an attribution mark,
i am sure that it is completely authentic and take full responsibility for any authenticity
issues arising from misattribution