Can yall help me out here?

Ok so long story short I am trying to find out the model year and possibly price for selling this board. I have been told that it is a 1969’ Teamrider Gordon and Smith surfboard. But I just can’t find a reference picture anywhere. If anyone can help I’ll be grateful. Its 10 ft and has one fin if that helps.

If you can get a $500 cash offer for it, take the money and run.