- Pair of tubular steel chromed base armchairs - Designed by Martin de Wit and produced by Gispen in the 1960s - Features a steel base, black leatherette upholstery, and Bakelite armrests This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution