HALSEY, Brian, (American, 1942-): 2 pieces to include 1) ''Alpha-Omega II'', Serigraph, sight size 20'' x 38'', pencil signed, titled and numbered 87/90, framed, 28 1/4'' x 44 1/4''; 2) ''Entos'', Serigraph, sight size 29'' x 27 1/2'', pencil signed, titled and numbered 37/60, framed, 34 1/4'' x 32 1/2''.