48-31456A3   48-65588A1  Propeller, Quicksilver 2-blade bronze.  13 3/4" diameter, 19" pitch, not cupped, right hand rotation.  Stamped N191.  Been reconditioned and looks to be in real good useable shape.  Merc 800-850-900-950-950SS-1000SS-1100-1150-1250SS-1350-Mercuruiser 80-90.