Pair of low chairs from the 70s

Pair of low chairs chrome base cushion top in red skai from the 70s. Chromed metal frame in quality solid iron some traces of use on the chrome but nothing bad in good condition. Cushion missing a button on one cushion and also on another cushion (see photos) nothing bad you can leave it like that or put it back easily found in stores, the entire base and cushions in good condition given their age. Very comfortable easy chairs dimensions 70cms high, 60cms wide, 75cms deep, seat dimensions 37cms high, seat depth 56cms.