Hey Dave,

I have seen some World Series game-worn Blue Jays jerseys from the 1992-93 era that have the Set #3 tagging. Here is one in particular that shows this on a 92 away World Series Olerud:

http://sports.webshots.com/photo/242...65780061vfyAjQ

I have not seen this jersey that you speak of on ebay, but I wouldn't deem it illegit because of the tagging in this instance...