It is an Assistant/Sportsman with cellidor and no scale tools. There is one on leaf-vic's site; knife#203.https://leaf-vics.com/2014/11/203-assistant-sportsman.html
It looks to be a pre 1986 Econoline Sportsman- some of the sportsman came with the nylon scales others just plain cellidor. Econoline was a cheaper more affordable line that had a different shield and lacked a toothpick and tweezers. Awlways fun finding SAKs in a drawer
Thanks, but if I’m reading the SAKWiki correctly they replaced the corkscrew with the groove in 1991 or 1994 with the smooth one, both of these have the smooth corkscrew.
You may have a repaired knife, swapped/replacement scales, or one of the weird ones that slips sometimes!
The mothership never intended for SAKthusiasts to be a thing, yet here we are. Its would be pretty awesome if you have unknown variants but even if you don't they are great SAKs. The authors of the SAKWIKI ( I am not one ) do a tremendous job and little known fact, even the mothership tends to use that info. I'd tend to lean into the info contained within the SAKWIKI tho cool stuff emerges and then the real fun begins. I'd say keep searching for answers as this is part of a fun journey.