THREE LARGE THOMAS MCKNIGHT SERIGRAPHS: ''Maine Cove'', 23'' x 42'', pencil signed lower right, numbered CL/CLXXV; 2) ''Sunset Hill'', 25.5'' x 44'', pencil signed lower right, numbered 179/200 lower left; 3) ''Central Park'', 23'' x 42'', pencil signed lower right, numbered CXL/CC lower left.