How is John's blade grind " a bit later" from the third knife from the bottom on page 50 / photo 43? (Can't wait for this one )

How can anyone argue that fancy spacer stacks are not variable. One only has to look at photo 41 page 44 in Gaddis book how they were reduced in stack count over time. The point being that John's stack does not preclude it from being '39 or '40 and more importantly seems to be typical of this period.

I get no later than mid 1940 because of the stone pocket being an option from that time. I am not saying that the Zach fighter was the impetus for the "A style" sheath. Have you ever seen a stone pocket on a Moore pancake sheath?

10-4 on Brian's sheath.