Mario Botta, Second Black Metal Chairs, Aka Mod. 602, 1980s attributed to Mario Botta, 1982, Set of 3

Three 'Seconda' chairs designed by the famous architect Mario Botta for the Italian firm Alias, model 602. All three are painted black both in the structure and in the seat, they bear the Alias logo in the cylindrical backrest, as can be seen from the photos.