I cleaned them up a bit. The 3025 is KW (Nov1945). The 821A is not marked with any date code. It has the forged-in B-shield on the shank without “made in usa,” embedded-shield “Bonney” on one face, and SAE bolt sizes (not across-flats) on the opposite faces.
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where I get the idea.
I just could not resist it once I saw it

