
    Commonwealth v. Jackson, Appellant.
    Submitted March 17, 1971.
    
      Francis S. Wright and John W. Packet, Assistant Defenders, and Vincent J. Ziccardi, Defender, for appellant;
    
      Milton M. Stein, Assistant District Attorney, James D. Crawford, Deputy District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  