Impossible to identify as so many look alike, use one of the methods for germinating old seed try growing them out. Do a comparison, pod length, color, pole/bush, fresh seed color, days to harvest . Compare to known varieties and you might, just might get lucky :).

http://forums.gardenweb.com/discussions/2004799/need-ideas-to-germinate-old-old-beans?n=27

Hope this helps.

Annette

Thanks!

I'll start investigating.