
    408 A.2d 531
    Commonwealth v. Zack, Appellant.
    Petition for Allowance of Appeal Denied Jan. 14, 1980.
    Submitted October 26, 1978.
    Simon B. John, Assistant Public Defender, for appellant; Gerald R. Solomon, District Attorney, for Commonwealth, appellee.
    Before VAN der VOORT, SPAETH and MONTGOMERY, JJ.
   Judgment of sentence affirmed.  