Current 1975 SAO PAULO BIENAL - CONTEMPORARY BRITISH DRAWINGS 1962-1975 Previous Next Artworks Overview Artworks © The Artist's Estate UNTITLED (ABACUS) 1973 Carl Plackman (1943 – 2004) Details Dimension 50 X 70 CM Media PENCIL, INK, WASH, COLLAGE AND PAPERCLIPS ON PAPER Accession number P1727