That is classified as a 2-blade jack knife. Can't read the tang, but I assume that is a SCC stamp. My guess for pattern number might be a C2154EO or C2156EO, depending on handle material.
Mike, anyone, I can't find a reference to what the "C" prefix means in the catalog. It's not crocus finish, cause other crocus finish knives don't have the "C"... any input?
Glenn