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    PR # 32193                                                                   
     We propose to observe NGC 5135, a Seyfert 2 galaxy with IR properties       
     that suggest it harbors an obscured Seyfert 1 nucleus.  This object         
     is similar to NGC 6552, a Seyfert 2 that was serendipitously                
     discovered to be an X-ray source in the ASCA PV phase and determined        
     to contain a previously unknown Seyfert 1 nucleus.  It may be that          
     observations at $>$4 keV energies are our only direct test for              
     Seyfert 1 characteristics in heavily absorbed galaxies with narrow          
     optical emission lines.  Confirming IR selection techniques as valid        
     for choosing obscured nuclei will undoubtedly open a new window to          
     the Universe!  If a number of optically-selected Seyfert 2s harbor          
     obscured Seyfert 1 nuclei, such objects may make a significant              
    contribution to the X-ray back                                               
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