Mid Century Modern Florence Knoll Chrome Base 3 Seater released Sofa. This Florence Knoll sofa is vintage and Features a chrome frame and supports in minimal rectilinear pillars, the body of the sofa is upholstered in a red fabric. The sofa has three seat cushions and back supports. This sofa is a gorgeous example of work of Florence Knoll, known for bringing modernist design sensibilities into the office space and thoughtfully using geometric minimal designs with humanizing materials, form, and colors. There is a makers mark.