Bear Grizzly ID?

[Hit-or-Miss]

Any Bear experts out there, I could use your knowledge? My uncle, a life long bowhunter, has bone cancer and is not long for this world. He is my mentor, as I wached him shoot his Bear Grizzly in the 70's and he inspired my love & passion for hunting with the bow & arrow. After visiting with him last weekend, I learned from my cousin that my uncle wants me to have, and gave me, his beloved Bear Grizzly, which he took much game with. I am trying to ID the year of production. I know (or strongly suspect) it is a post 71, as it has a stabilizer bushing. 50X #, 58"AMO, two toned wood, serial #KR900626. Grayling production, raised coin. It is a left hand bow. It is in very nice condition, aside from a few scratches from where he dropped it when he was shot out of a tree back in 81 by a gun hunter (but that is another story!). I may try to learn to shoot southpaw with it and take my next deer with it in his honor. Anyhow, any help ID'ing the year it was made would be appreciated!

[Horney Toad]

Likely 1973 to 1977. Futurewood, usually green and black, although some were brown and green, or brown and black. Most had brown glass, but I have one with green glass.

[Hit-or-Miss]

This one has Brown glass and light green tips. Thank you.

[Hit-or-Miss]

I just put a new Dacron B-50 string on it, waxed it, strung it up, and tried shooting it today. What a zippy little bow! But as it (the post 64 Bear Grizzly), is a copy of Bob Lee's Red Wing Hunter design, I guess I shouldn't be surprised! As I'm right handed, and this is left, it took 20 minutes or so to get used to switching to southpaw. As with many things, switching to your weak hand is akward. Now granted I am a LONG ways off from hunting accuracy, but at only 10 yards, I was surprised at how often I was sending arrows right where I looked. Kind of hard to see though, as my eyes kept watering up every time I drew my uncle's hunting bow to full draw. Time passes to fast.