What is this?

[hbru123]

I found this at a Mexican American war site (1846-1848) and I have no idea what it is. Next to a penny for scale. Thank you in advance.

 

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[kcm]

Is it steel/cast iron? Is it coated in rust or is that rotted wood? Looks like iron, IMO.

If so, might try hammering off as much of the rust as you can - get a better rendition of what it might be.

 

[hbru123]

Thank you, I am pretty sure it is cast iron and I think it is dirt that is on it I will try to wash it off.

 

[DCMatt]

Possibly a single tree hook.

 

[DARKCYDE]

Petrified turd?