As a teen I carried an Old Timer with 3 1/2 inch blade (forget the model OT7? OT8?) I presently have a Uncle Henry LB7 (new made) and just ordered two bone handle Rough Rider lockback's, one with 3 1/2 inch blade, the other 3 5/8 inch, since I like their slipjoints so much (and the bone handles). I'm not sure yet which Rough Rider is going in the Uncle Henry belt pouch. Could not make up my mind which I liked better ... the single bolster or bolsters at each end ... so I ordered them both. (bit the bullet on a Rough Rider ULU, too). With a little bit of luck, they will arrive before I have to hit the road again.
I'm not sure if they "count" for what the OP intentioned, but I also have a Cold Steel Eland and Kudu "ring lock" knives, and an Opinel Number 8.
this hobby could/can/is getting expensive ... even with low cost knives ...