I have a Bear recurve,50#, it's a 58" grizzly, left handed, black fiberglass, shedua riser, Ser# KR75551.

Any info will help.

-Mike

Sounds like a 71-72.

pics...

I can't find the thread right now, but there were some good pictures of both a 1971 and 1972.  The 1971 has the silkscreens on the back, 1972 on the belly as I recall.