.44 caliber, 7″ octagon barrel, double action with center hammer spring safety.  Engraved frame, hammer, triggerguard.  Checkered walnut grips.  Showing a brown patina overall with some patches of roughness.  Mechanically sound,   The Bentley’s Patent information is on the left side of the frame.  The retailers info on the top of the barrel.  Very scarce in a pleasing aged condition.