
    Laver et al., Appellants, v. Philadelphia Tax Review Board.
    Argued September 11, 1968.
    
      Stephen A. Cozen, with him Sydney G. Orlofsky, and Orlofsky and Cozen, for appellants; Levy Anderson, First Deputy City Solicitor, with him Frank J. Pfizenmayer, Assistant City Solicitor, Matthew W. Bullock, Jr., Second Deputy City Solicitor, and Edward G. Bauer, Jr., City Solicitor, for Tax Review Board, appellee.
   Order affirmed.  