Set of 4 vintage Portuguese stools, Portugal 1950s

This set of industrial stools was designed and produced in Portugal during the 1950’s, for the post offices through Portugal. Each stool has a wood backrest and seat that is adjustable in height for different seating positions. Marked in some stools with numbers. In original and good condition, with some signs of wear. Seat Height: 42,5 cm - máx: 59 cm