Roberto Lazzeroni has designed Diva chair a natural evolution of Vittoria chair, which this year celebrates its twentieth birthday . Its design purity finds its matrix in aesthetic elements profoundly linked to the history of Poltrona Frau which are immediately recognisable. The curled top on the backrest is a stylised reference to the classics objects. The folds on the corners of the seat as well as the biconical springs for suspension are coming from a long tradition..