Vintage 1981 World Games Ultra Rare Frisbee Wham-O Flying Disc Wall

Vintage 1981 World Games Santa Clara California Wham-O Flying Disc from the very first World Games event! Extremely rare.
What makes this disc so interesting is The 1981 World Games was a massive sporting event with over 80,000 people in attendance from 58 countries and 18 different sports were showcased but disc sports was NOT one of them. Disc sports was not officially part of the IWGA until 2001. How does this disc even exist??? Rogue print? Demonstration disc?  Not even some of the people involved with the World Games seem to know where this disc came from. Very unique Frisbee!
Please give this a good home and take good care of it this one is special and very fragile so please don't throw it or bend it or run water over it or it could crack!
100 D model
9.75 inches
130 grams
This is in good condition overall with only minor signs of bending or warping from decades of storage. Gold foil stamp is faded which was common with these early discs in these silver/gold coloring
Very cool wall hanger!
Check all pictures carefully to see what you're receiving. Thank you so much!