(i) Light Blue Corner Piece (ii) Gray Corner Piece

Fred Sandback (1943-2003) (i) Light Blue Corner Piece (ii) Gray Corner Piece (i) signed, titled and dated 'LIGHT BLUE CORNER PIECE FRED SANDBACK 1970' (along the lower edge) (ii) signed, titled and dated 'GRAY CORNER PIECE FRED SANDBACK 1970' (along the lower edge) coloured pencil and pencil on paper, in two parts each: 9 5/8 x 9 5/8in. (24.5 x 24.5cm.) Executed in 1970