
    Commonwealth v. Walker, Appellant.
    Argued November 13, 1972.
    
      J. Graham Sale, Jr., Assistant Public Defender, with him John J. Dean, Assistant Public Defender, and George II. Ross, Public Defender, for appellant;
    
      John G. Alford, Assistant District Attorney, with him Robert L. Wberhardt, Assistant District Attorney, and Robert W. Duggan, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.

Cercone, J., absent.  