My best friend gave me a Puma Gamekeeper #3591 many years ago. It is still in the original green cardboard box. Does it have collector value and how can you date it? Thanks in advance Butch

btt

You could try here:

http://www.pumaknifeman.com/

He has a dating chart that may help:

http://www.pumaknifeman.com/GuideToCollect1.html

Thanks Charles.
Butch