Sheath is an early Johnson roughback but I'm not sure it's "that early"! 1961 would be an early date for that maker. I'm sure 1962 would be a good date but who knows? Could be a second sheath, replacing an earlier one...
Hope this helps, Capt. Chris
_________________________
Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com