Two seater sofa designed by Gianfranco Frattini for Cassina, 1969. Original label. Black Leather, excellent condition. Ref. Giuliana Gramigna, "Repertoire of Italian Design 1950-2000", Allemandi, 2011, pag. 174 This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution