EDMUND
Sounds like you have one of the original BOB LEE WING ARCHERY bows. Favored amoung collectors. THe other two editions would have either AMF, or DIV of HEAD SKI CO in the WING LOGO.
The Red Wing Hunter was one of the best, most popular hunting bows made in the '60's. As far as I know they were all made with a deep chocolate colored glass. The riser woods varied but most were exotic woods. Rosewood, Bubinga, Shedua. etc.
The guy that could have told you the most about WING BOWS was WINGNUTS on the forum, but he passed away about 6 months ago. The TRAD community lost a wealth of knowledge about WING bows with his passing.
You have a good bow - enjoy it!