Vieira da Silva-5.75 x 3.5 Signed card from 1964 with image of her work w/COA. A card signed in ballpoint ink in 1964 by Vieira da Silva. Comes with a photograph of one of her paintings. In very good condition. Maria Helena Vieira da Silva (13 June 1908 ���¢�������� 6 March 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.