Wally,

Offhand I can only remember about the 5" version. First showed up in the 1948 catalog. An early one with CJ Moore sheath came up on e-bay in September of 08:



Here's a link to the thread:

http://www.knifetalkforums.com/ubbthreads.php?ubb=showflat&Number=47448&page=1

Ron
_________________________
Ron Mathews
RKS No. 4223