EXCAM Navy Model, .36 cal. percussion revolver. NSN, mfg. Italy.  Good condition.  7 1/2” octagon barrel has excellent bore with 75% blue.  Brass frame and trigger guard have some surface corrosion and dinged screws.  Cylinder has heavy index marks and some surface corrosion, turning patina.  Loading lever has traces of case colors.  Walnut grips have good finish.  Single action indexes nicely  and locks up tightly– a good shooter.