T. Barker, 12 ga. side by side hammer gun.  NSN, mfg. Belgium.  Fair condition.  30” cast steel barrels have clean shiny bores, couple pits on right side.  70% finish with some fine surface corrosion.  Frame and lock plates have no remaining finish with coarse scroll engraving.  Stock  and forend have heavily worn finish and checkering.  Steel butt plate.  Gun is slightly loose.  Locks work OK.  A classic Belgian “catalog gun” - nice wall hanger.  C&R OK.