Trees is an original black and white etching realized by Lino Bianchi Barrivera in 1964. Hand signed on the right margin. Numbered on the lower left. Edition of 102 copies (16/102), etching on copper. Image dimensions: 27.5 x 20 cm. This is one artwork collected in the portfolio ''Galleria Grafica Contemporanea'', published by Associazione Nazionale per l'Assistenza agli Spastici, Firenze, 1964.