
    Commonwealth v. Johnson, Appellant.
    
      Argued April 15, 1971.
    
      Joseph F. Kulwicki, Assistant Public Defender, with, him Louis D. Música, Public Defender, for appellant;
    
      Gordon B. Miller, Assistant District Attorney, with him Paul D. Shafer, Jr., District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  