This model was made in the 70s. It has a double circle around the words "Fli Back Yo-Yo" which is why they call it the skinny doughnut.
It is in fair condition, the paint is all there, although scuffed and discolored in spots, The seal is all there as well, but it is worn and a little hard to see.
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*Thanks to Lucky Meisenheimer for providing information on this yo-yo and many others in his book, Lucky's Guide to 20th Century Yo-Yos. The most comprehensive Yo-Yo collectors book ever written.