Folder under 75$

[GingivitisKahn]

Have a look at the Ka-Bar Dozier (several models - all good) - well under your price limit.

 

[Orion's Belt]

Here's another vote for the FFG Endura or Delica. No matter what knives I buy, the Delica seems to dominate my carry rotation. Of course, that is along with my Izula.