
    Commonwealth v. Johnson, Appellant.
    Submitted March 17, 1971.
    
      Anne Welsh and John W. Paclcel, Assistant Defenders, and Yincent J. Ziccardi, Defender, for appellant;
    
      Esther K. Sylvester and Milton M. Stein, Assistant District Attorneys, James D. Crawford, Deputy District Attorney, Richard A. Sprague, First Assistant District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  