Originally Posted by
slowwwride
This is so cool and interesting! On the front name badge there are four numbers stamped vertically. They are very lightly inscribed and say "1278." I do not see any other serial numbers, though I'm not quite sure what all of the parts of the bike are called. Forgive me for my ignorance. Thank you for your replies
Ahh.. Most likely 1988. Unfortunately, I don't have an '88 ATB catalog.