
    Commonwealth v. Backham, Appellant.
    Submitted March 16, 1971.
    
      Michael L. Levy and John W. Packet, Assistant Defenders, and Vincent J. Ziccardi, Defender, for appellant;
    
      Milton M. Stem, Assistant District Attorney, James D. Crawford, Deputy District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  