1993 World Class Frisbee Ultimate Vintage 175G Disc Wham-o USA. Used. There are some light scuffs and scratches that are typical of a normal use and age. If you look closely on the front around edge (before the curve) it says “frisbee is a brand name and registered trademark of wham-o inc” and “1993 wham-o inc San Francisco CA 34105 USA” and “Mexico” Please see photos.