Six PS142 armchairs by Osvaldo Borsani (1911-1985) and Eugenio Gerli for Tecno, 1970s. 68.00 x 67.00 x 60.00 cm Metal and Red Velvet. Ref.: Bosoni G., Osvaldo Borsani, Architect, Designer, Entrepreneur, Skira edizioni, Milan, 2018, p. 533. Very good condition. 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