One of them is an 80th anniversary edition. f 1994 I think. I think it says 80th somewhere toward the bottom of the handle if I remember correctly. Thats the only difference I can think of.
It says 80th Anniversary Edition at the top of the handle, not the bottom. Also, when the 80th Anniversary Edition came out in 1994, thats when they started putting the "Micron Magic" on the bag topper.