What is it?

[root]

Dug today from a turn of the century dump. It's some sort of composite material and fairly heavy. There is a cutout that is rounded and the hole goes all the way through.
Anybody?

 

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[lumbercamp]

I'm curios too. I found one 35 years ago and someone told me what it was. But since then, I've forgotten.

 

[traderoftreasures]

can we get abigger picture of both sides please

 

[stefen]

The picture is too small to tell the date, however, no idea what thre other thing is.

 

[JHinPA]

Root -
Can we see a larger photo or a close up? Hard to tell at this point.