Black z-chair, designed by ernst moeckl & siegfried mehl in the 1960s. Produced by veb pck in schwedt ddr. material: baydur, a polyurethane material developed by bayer ag. the chair bear the original horn collection label. what makes this special is that the seat and backrest are upholstered in genuine leather. This may be a special edition. the chair is also in very good original condition; the leather is undamaged, and there are only signs of wear on the baydur frames. this amazing space-age chair is now looking for a new owner. This piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution