i think it would be fun if everyone sent this guy a message
“is it NJS” “are you sure thats NJS”
might be fun
http://cgi.ebay.com.au/NJS-Shimano-NJS-Dura-Ace-13t-Track-Cog-NJS_W0QQitemZ130292754218QQcmdZViewItemQQptZAU_Sport_Cycling_Parts?hash=item130292754218&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39%3A1|240%3A1318
The seller certainly says ‘NJS’ enough times!
I think you should avoid posting the same thing in multiple forums.