Normann Copenhagen Swell Two Seater Sofa (ex-Display)*** There is 1 ex display model available with 50% off the RRP of 2955. 00 *** The Normann Copenhagen Swell Two Seater Sofa combines quality upholstery with a playful pleasure. It has a curvaceous profile consisting of a rounded padded backrest and seat and two curvy armrests, it is expertly crafted from high quality, durable materials. The name Swell is a reference to rising, baking bread, the sofa has the appearance of almost dough.