Vintage Finnish Living Room Set from Isku, 1980s, Set of 4

Vintage modular living room set. The set was produced by the finnish isku manufactory in the 80s. The set includes four armchairs that can be freely combined and configured. They can make a modular sofa. Preserved in good condition. One of the armchairs has a one-tone lighter upholstery than the other three, as it was most likely brightened by the sun - see photo. Seat height - 44 cm.