All About Pocket Knives

Hello
I have an older hunter case knife I owuld like to know When did case drill the hole through the rear bolster so you could put a lanyard on the knife I have seen some older models that have the hole drilled and some do not have the hole drilled
Thanks
NC

Hello;
click research above, then case, now numbering system, then pattern numbers, finally click where 65 should be, go there. Pretty good explanation.
Have a good day.
Mossdancer

Thanks for the link & how to get the info..
Thanks Again
NC