Vintage black armchairs, 1970s, set of 2

Pair of elegant armchairs with tapered legs. The outside of the seating is made of painted polyester. The front is covered in black leatherette. The seat cushion cannot be removed. Belgium, 1970s. Designer/manufacturer: unknown. In good vintage condition: the covering and the cushions show no damage, the paint on the back is a bit weathered in a few places, and each chair is missing one of the messing feet. Dimensions: 75 (h) X 71 (w) X 65 (d) cm and 41 (seating height) X 43 (seating depth) cm.