Also Dave or anyone else who knows,
I have pictures of an 88' Worlds disc that I can't identify. I own the disc. Got it from some guy about 12 years ago. The pics are on the link below. Please take a look and let me know what you think, whether its Innova or not, I don't know.
http://www.geocities.com/juglingsuns/discgolf.html
thanks again,
nelly