
    Commonwealth v. Walker, Appellant.
    Argued September 21, 1970.
    
      John W. Packel, Assistant Defender, with him William P. Stewart, Assistant Defender, and Vincent J. Ziccardi, Defender, for appellant;
    
      Milton M. Stein, Assistant District Attorney, with him James D. Crawford, Deputy District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  