Stevens Pre-24, .22LR/.410. over/under combo gun.  NSN.  Very good condition.  24” .22 long rifle barrel has excellent bore, correct open sights.  24” .410 barrel has clean shiny bore with 3” chamber.  Barrels have 30% finish turning patina.  Frame has turned patina.  Stock and forearm have old, smooth re-finish. Butt stock has “spread” along rear tang.  Action is tight, barrel selector works fine.  The ancestor of the famous Savage Model 24.  C&R OK.