Wischo KG, 5.5mm cal. air rifle.  mfg. Germany.  Excellent condition.  Fixed front and adjustable rear sight.  Receiver mount on the right side for what appears to be for another rear sight assembly.  Blue barrel and receiver are excellent.  Wears a Medalist Weaver scope with duplex reticle and clear optics.  Checkered wood stock is excellent and has a butt pad and sling swivel. Trigger shoe.