I'm still trying to figure out what's going on with the end of the combination tool handle???????
After thinking about this some more I'm going to reverse myself and say that this is a one-off made by Estwing rather some some later smith's modification of an Estwing hatchet. The tell tale sign is that little bit of extra steel at the corner where the blade meets the handle. That steel and the forging lines on it match the rest of the handle.
If this were just a hatchet that somebody modified then that steel couldn't be there. Estwing may not remember it but they made it and you have a rare find there.
Either way, I wish they made something like this! Slap a leather sheath on that puppy and it'd be a welcome addition to the homestead or backpack for all sorts of tasks. I like it a lot!
If it's a modified piece rather than in-house fabrication it's possible that the blade came off a pro-grade cleaver.
Funny you mention that! It sits in my hunting bag for clearing shooting lanes, that is why I am here. I would hate to lose it then find out it was a one of a kind Estwing production. So the final question. Clean it up, oil it up, and put it away? Or keep cutting down tree with it??????