American Flyer #921 Chicago Burlington & Quincy Hopper made 1953-56.  Working knuckle couplers.  All steps.  See pictures for condition. & #933 Baltimore & Ohio Boxcar made in 1953-55.  Working knuckle couplers.  Doors open.  Doors have latches and nibs to latch them.  Slight scrape of plastic on one end of roof walk.  See pictures for condition.  Selling collection.