Postwar Lionel O Gauge 218 Santa Fe Alco diesel locomotive A-A units.  P unit has a small spot of light surface rust on each side of frame.  T unit has a small spot of surface rust on one side of frame and shell is stained adjacent to this spot.  Both units have cracked pilots, T unit has a "copper wire" repair to pilot.  Trains are still clean and shiny high C6.