32-20 cal. This engraved Colt Single Action was shipped out in 1923 to J.B. Varick Co in Manchester New Hampshire, it has a Colt Factory Order Number presumably for the engraving, it has nickel finish & MOP grips. Mechanically gun is crisp, retains excellent original nickel & has engraving on frame, cylinder, bbl & back grip, comes w/factory letter & overall a very fine Single Action Colt Army Revolver. 

Manufacturer Colt, Model Model 1873 Army, Caliber/Gauge 32-20, Class Revolver