E Button?

[Beeps in my sleep]

I was digging at one of my favorite spots today and came across this. I put a nickel in for size reference. It is not magnetic and very light. I am not sure what it is made out of. Just been kind of curious as to what it was today.

 

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[nsdq]

looks like a rivet head

 

[HutSiteDigger]

There have been MANY who have found these and posted them here... It is still UN-id'ed

 

[Beeps in my sleep]

There have been MANY who have found these and posted them here... It is still UN-id'ed

Well then I am going with it was left here by ancient aliens to drive us insane not being able to identify it. Were the others posted like mine?

 

[creskol]

Looks like the chromed Elderbrock freeze plugs that fit 1933-1948 Mopar flatheads.