
    433 A.2d 114
    Commonwealth v. Jackson, Appellant.
    Argued June 11, 1980.
    Thomas H. A. Gallagher, for appellant; Robert R. Lawler, Assistant District Attorney, for Commonwealth, appellee.
    Before BROSKY, WATKINS and CIRILLO, JJ.
    
    
      
       Judge Vincent A. Cirillo of the Court of Common Pleas of Montgomery County, Pennsylvania, is sitting by designation.
    
   Judgment of sentence affirmed on the opinion of the lower court.

BROSKY, J., filed a memorandum concurring opinion.  