Plona armchairs by Giancarlo Piretti for Anonima Castelli

Pair of folding armchairs model Plona by Giancarlo Piretti for Anonima Castelli. 1970s design.
 Aluminum frame and cognac-colored leather seat.
 One of the two is in perfect condition while the other has several marks on the leather.
 The chrome plating on both is perfect.
 Measures:
 Width 68.5 cm
 Depth 58 cm
 Height 73 cm
 Seat height 44 cm