6 Mid-Century Industrial steel Chairs with wooden armrests from Marko

Set of 6 industrial steel chairs with wooden armrests manufactured by Marko in Holland during the 1960s. The chairs have a black metal frame, seats and backrests in wood. This design is reminiscent of Friso Kramer and Rietveld's designs. All chairs are in good vintage condition with some minor marks of use consistent with the age of the chairs.