Allow me to backtrack a bit: I "think" it's a Moore! I didn't keep any other pic of the backside of the sheath. I'm going to have to check with a guy and I'll get back to you guys.
Dale: For sure a "7" (Both 3's & 4's still had a bit of an upsweep during that era.
Best,
_________________________
Ron Mathews RKS No. 4223
You know, Guys: I just LOVE it when I have to eat some of my own words! I talked to the guy who bought the knife and sheath off of e-bay: That Model 7 sheath is a HEISER!
_________________________
Ron Mathews RKS No. 4223
Yes, a Heiser sheath patterned off a Moore sheath...not at all an uncommon practice during this period as Moore was the 'First Article' maker for most sheath models at the time...very cool knife & sheath
_________________________
If all else fails, punt...