Very unique! You'll be the only one in your circle of friends to have such a one-of-a-kind folder. The ancient bone handles are probably not of dinosaur vintage, but one never knows :-)! I'm a happy camper ... x2 cuz I got one for my friend for Christmas. He loves it 2!
This little folder has no backspring to hold the blades open. You do this by keeping your thumb on the blade extension. Not difficult; slightly tricky. It's a neat looking knife. Has that appearance oh being handmade by some ancient knifesmith in an old shop out in the country. I got it for my stepson. We often exchange little pocketknives for fun.