Eric if that's the sheath that came with the knife originally then this knife was probably made in the mid to late 80's. It's my understanding that they just didn't make a bunch of these but rather if they broke a tang in the manufacturing process they could then utililize the blade in this manner. At any rate these are some of the coolest blades made by Randall in my opinion. I have owned several.
I was wondering the same thing, Mr Oldguy! Bill just keeps 'em coming. As I've said before, I love this forum because we get to see knives that we otherwise wouldn't see. Plus, we learn about the odd/unusual examples.
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Pat Remele RKS#4413 SHAG# 8 RKCC# CM096 NRA Member