Harrington & Richardson M488 Deluxe Topper, 16 ga. top break shotgun.  Serial #NSN.  Excellent condition.   2 3/4" chamber and fixed FULL choke.  28" barrel has an excellent bore, bead front sight.  95% blue finish on the barrel with peppering spots.  Chrome receiver is in great shape with some light scratches.  Smooth wood forearm and stock are in excellent shape.  H&R marked black butt plate.  13 3/4" LOP.  C&R OK.