Set of 4 Industrial Design Chairs by Ynske Kooistra for Marko Holland, 1960s

A set of 4 industrial chairs designed by Ynske Kooistra for Marko, Holland in the 1960s. The chairs feature a metal black pyramid shaped frame and seats and backrests in pagwood. All chairs remain in very good condition with some minor traces of use. All parts are complete and original.