Set of 8 Industrial Colorful Armchairs by Altamira, 1960's

This set of industrial armchairs was designed and produced by Altamira in Portugal during the 1960's. The seats and backs are in wooden slats that are set in a colorful metal structure. Two chairs of each color: yellow, red, green and blue. The armrests have a plastic/rubber string in black, that gives more comfort when seated. All the chairs are stackable. Overall in good vintage condition, with some wood and paint losses and flaws which give the piece the vintage charm.