Lithograph on vélin paper. Paper size: 10 x 7.375 inches. Excellent condition. Unsigned and unnumbered, as issued. Notes: From the album, Ediciones Polígrafa, Redfern Gallery, 1979. Published by Redfern Gallery, London; printed by Ediciones Polígrafa, Barcelona, October 23, 1979. Excerpted from the album (translated from French), This book has been published for the exhibition of artists who have worked for Ediciones Polígrafa, Barcelona, at the Redfern Gallery, 20 Cork Street - London W. 1 from December 4th, 1979, to January 31st, 1980. This album was finished in Barcelona on 23rd October 1979 on the presses of La Polígrafa, S.A. The English edition for the Redfern Gallery has been limited to M examples. There is also a de luxe edition with a portfolio containing a selection of the lithographs with full margins, 3742 x 27 cm., specially made for this book, signed and limited to C examples. MARIA HELENA VIEIRA DA SILVA (1908-1992) was a Portuguese abstract painter. She was considered a leading member of the European abstract expressionism movement known as Art Informel. Her works feature complex interiors and city views using lines that explore space and perspective. She also worked in tapestry and stained glass. She was influenced by Picasso.