Tomica World--Amtrak Super Spiral

I guess my question is, since I know I have different types of track that are technically the same exact pieces (shape and all), does it matter which pieces go with this if I were to sell it or trade it to someone else?  Some of the pieces say 1992 underneath and some say 1998.  I just didn't know if that made a difference to most people or not.  I can take pictures of the extra pieces I have as well.  I know that there is at least one set (flying Harold set) that is mixed in with this and maybe two.