Thanks Guy's.......and for the info too.
His arrows are tapered at both ends as most are. These two both have alum. nocks and the dark colored arrow is made from some type of carbon material.
Sorry to hear about Dr. Greyson, he was one of the old timers still with us. I was lucky to get his Flight Bow and arrows and two of his kill arrows one that killed his first bear in 1955 using a 80# osage bow and the other was used in Africa, forgot what he killed with this one but marked on the arrows.
I'm surprised that one of the Archery mags didn't write an article on Dr. Greyson...
..maybe that would be something that could be done as I can give some pictures of the items and should be able to get some pictures from Archery magazine of him.....Bill