
    429 A.2d 739
    Commonwealth v. Nicholson, Appellant.
    Petition for Allowance of Appeal Denied June 18, 1981.
    Argued March 17, 1980.
    Jeffrey Staniels, Assistant Public Defender, for appellant;
    Andrew Cohen, Assistant District Attorney, for Commonwealth, appellee.
    Before HESTER, WICKERSHAM and LIPEZ, JJ.
   Order affirmed.  