Pair of vintage cinema armchairs

Introducing these vintage movie chairs from the 70s. The seat, back and armrests are made of brown leather and metal legs painted brown... There is a spring system that makes the seat rise automatically but have little easy to remove it to keep a fixed seat (as in the photos)... There are fastening turntables on the feet for more stability... Have little either fixed to the ground or fixed them has a plank wide enough 40 cm at least for stability or against a wall... They are removable. The chairs are in very good condition for their age, no d addicted and the seat and back are comfortable, just a little cleaning. Height size 84 cm drop 115 cm depth 45 cm seat height 40 cm.