Gorgeous bag! You should try taking it to the local
Coach boutique and ask if they have an extra hangtag that would look good on it. They probably won't have genuine alligator but they may have another nice option.
I recently brought a bag to the boutique because I had lost the hangtag which was extra large and shiny silver and they pulled out a big box of hangtags and found a nice replacement for me. It was free and the SA was really nice about it. But if you do go to the boutique, don't mention ebay - they hate ebay! Say that you received the bag from a relative or something. Good luck!
BTW, the hangtag that came with your bag is identical to the one on my Wool and Lamb Nappa Girlie Hobo that is also from 2001, see link below:
http://forum.purseblog.com/coach/wh...unk-bag-shouldnt-get-689911.html#post19266640