Vintage case knife

This is an old case knife I think it’s bone or ivory not sure. If you know about knives like my daddy did you’ll know lol. It’s super sharp and definitely been used but it’s still in good condition. It has someone’s initials carved on the backside of the knife and it has been pictured in the pics all of it little character flaws. Perfect knife to add to any collection or just put in your pocket and use. It’s made by case so as you know it’s good quality. Not sure what year it was made but I know there’s a way to tell but my dad’s no longer with us to remind me how to check. Overall it’s a great buy!