
    400 A.2d 609
    Commonwealth v. Jackson, Appellant.
    Petition for Allowance of Appeal Denied April 16, 1979.
    Argued December 4, 1978.
    Robert Silverman, for appellant; Robert B. Lawler, Assistant District Attorney, for Commonwealth, appellee.
    Before PRICE, SPAETH and WATKINS, JJ.
   Judgment of sentence affirmed.  