Painting 1976 Peter BOOTH Nineteen greys Bridget RILEY Untitled (Yellow) Richard ANUSZIEWICZ Project for a wall painting, colour group E (Random) John NIXON Outlier Christian CAPURRO Manifestations Mike BROWN Self Portrait (non-objective composition) (yellow cross) John NIXON Exultate, jubilate III Kenneth ROWELL Opening Bridget RILEY Vertical collage Joe TILSON Marge Joan MITCHELL Untitled Robert HUNTER Come dance with me John FORRESTER Untitled Charles BUSH Mailbox Dick WATKINS Omega or tribulations of the artist Mike BROWN Nylon tubes within folded newsprint Elizabeth GOWER Untitled (Ochre, black, green) Geoffrey de GROEN Boeuf Stacha HALPERN Abstract design John TUNNARD Study for 'List' Poster Bridget RILEY White line square VI Josef ALBERS Nineteen greys Bridget RILEY Untitled painting Peter BOOTH Untitled Asher BILU Untitled Harvey QUAYTMAN Painting Grace CROWLEY Etching no. 4 Pierre SOULAGES Untitled John WALKER Cobone Larry POONS