
    Commonwealth v. Buck, Appellant.
    
      Submitted April 13, 1971.
    
      John J. Dean and J. Graham Sale, Jr., Assistant Public Defenders, and George II. Boss, Public Defender, for appellant;
    
      Carol Mary Los and Robert L. Campbell, Assistant District Attorneys, and Robert W. Duggan, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  