Agnes DENES 1938, Hungary Signed Art Art Prices Study Fo Echo-chamber Man's Life, An Echo, Series (1970) Price SEK 500 (€54) Estimated SEK 1,000 Medium Silkscreen Size 28x21 cm (11x8 in) Sold at Stockholms Auktionsverk, Stadsauktion, Sweden Date 2010-09-06