I am searching for a complete rear end/differential/axle assembly for a 1935 Master Chevrolet.  With or without the leaf springs.  Must be for Master series, with mechanical brakes.  Must be free turning and in good or rebuildable condition.  Please advise if you have this or perhaps most parts to rebuild what I have. (Mine is making serious noises!

See identifying casting in photo.  Casting #377707.