Hi-Standard Supermatic, .22 long rifle cal. automatic pistol.  Serial #454280, mfg. Hamden, Ct.  Excellent  condition.  6 ¾” “Stabilizer” barrel has excellent bore and blue.  Barrel is ported and fitted with detachable weights.  Fixed front sight and adjustable target rear.  Frame has very good matte finish with few slight rub marks.  Contoured brown checkered plastic grips are excellent.  Correct magazine.  Action works excellent.  In original box with instruction manual and warranty card.  One of the finest target .22’s ever built!  C&R OK.