hello, i have a set of 3 schrade knives, they are in a case and a card that says, first in a series, they are red bone old timers , 1 is an 8ot , one is a 34 ot anf the smallest is a 108ot, and the shields has looks like a rope or dots on the eddge of them, anone have any idea when and how much, my son in laws dad gave them to me