Cool :D
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I recall a (GGG?) article on a cache of similar-appearing bronze axe heads -- most/all of which were broken -- supposedly collected for re-casting. IIRC, by far the weakest points (sites of the breaks) were the sockets -- and, of those, the closed-end sockets were the weakest.
I believe one of the theories for the weakness was that it was difficult to get a close fit of the wooden haft in the closed-end socket -- causing local force concentrations (where the wood did fit tightly) -- that resulted in socket breakage...
Do you remember that article/discussion?
TXnMA
Valaka - Shepherd's Axe
Sharp Blades
In Eastern Europe mostly Carpathian region, axe used by shepherd for self defense. Very Common in the mountains even today.