Postwar Lionel O Gauge Super O two hundred eighty-four loose 31-7 power blade connectors, twenty-eight  loose 62 power lockons, various loose track pins, 31-12 envelope with 16 No. 31-7.  ASSEM. NO. 31-23 31-27 envelope with 28 No. 31-7.  CATALOG No. 31-45 envelope with 12 No. 31-7.