Originally Posted by Overheadsmash
What year is that from?
Back in 1980 the tennis pro at our club was sponsored by Yamaha and sold these from the trunk of his car.
By that time the Yamaha Fiber Glass series had already been around for about 5 years.
The YFG 50 came in several colour schemes and was partially made with graphite.
Production ceased in 1981, followed by the larger sized YFG 45 and 75.