Postwar Lionel O Gauge 2343 O Gauge Twin Diesel master carton with 2343P and 2343T individual boxes.  2343T box shows light wear to flap folds, bright, square and solid with nice insert.  2343P box has a detached outer end flap (present and included), clean, very square and very solid with nice insert.  Master carton shows a little light wear, slight lifting at corner of cloth tape, dirty/dusty top flaps, a little old masking tape.  Box is otherwise bright, clean, square and solid.  Original instructions sheet included.