
    458 A.2d 274
    Commonwealth v. Derr, Appellant.
    Petition for Allowance of Appeal Denied Sept. 7, 1983.
    Submitted September 14, 1981.
    Alan Ellis, for appellant;
    Gailey C. Keller, District Attorney, for Commonwealth, appellee.
    
      Before CAVANAUGH, WATKINS and VAN der VOORT, JJ.
   Order affirmed.  