Classic Antique Pneumatic Sheet Metal Finishing Tool Air Hammer 12292

  For sale is a (best as I can tell...) Classic or Antique Air Tool.
  The working end oscillates up and down very quickly when pressed
  against a hard surface.  There are two sets of vents on the side of
  the tool for varying the force intensity.  The brass collar at the
  working end can be rotated.  I performed a very basic test on the
  tool, and it appears to do what it was designed to do.  The only
  marking that appears on the side of the tool reads "E3023".

(Click on the thumbnail images to enlarge)