
    428 A.2d 690
    Commonwealth v. Ferguson, Appellant.
    Submitted December 6, 1979.
    Roy Davis, Assistant Public Defender, for appellant; Frank T. Hazel, District Attorney, for Commonwealth, appellee.
    Before BROSKY, WICKERSHAM and ROBERTS, JJ.
    
    
      
       Justice Samuel J. Roberts of the Supreme Court of Pennsylvania, is sitting by designation.
    
   Judgment of sentence affirmed.  