Gianfranco Frattini; #830 Swivel Armchair for Cassina, c1955.

A Breathtaking Pair Of Italian 1950's Armchairs | From a unique collection of antique and modern armchairs at http://www.1stdibs.com/furniture/seating/armchairs/

Small Armchair, Madison, UK

Seville Chairs 750

One of a very few high backed modern sofas I could find. NOT in these fabrics tho!

Contemporary Armchair, UK

Mid-Century Sofa in Dreamer Aqua

Occasional Chair, UK, Isaac Chair

Modern Corner Sofa UK

Corner Sofa UK, Harper