Age of small hatchet head?

[DiggerDave in Pa.]

This is a water find. I have never dug one shaped like this. How old is it? Thanks! DD.

 

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[romeo-1]

Interesting form...the ears look like what i would expect to see on a trade axe but the flared bit is something I've never seen on this style of axe...it's a

 

[timekiller]

I've got one that looks close to yours. And if I remember correctly it came from a mid to late 1800's site.Which don't help much cause no telling how long it was carried around I guess.Here I can't or don't even hunt for iron just no need as the enviroment is to harsh.I see things like old rail road track and such reduced to nothing more than a brittle thin knife blade look.But once in awhile I'll pick up something only to watch it crumble to pieces. It would have to be big & solid to survive here.
Take Care,
Pete,