
    Commonwealth v. Jackson, Appellant.
    Submitted May 4, 1971.
    Before Bell, C. J., Jones, Sagen, O’Brien, Roberts, Pomeroy and Barbieri, JJ.
    
      
      Leon Katz and Jerome E. Furman, for appellant.
    
      Walter W. Cohen 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.
    October 12, 1971:
   Opinion

Per Curiam,

Judgment affirmed.  