Sash buckle maybe?

[USMC18]

Found this in two pieces in the hole. They each had some weird black soot or something covering them. I thought it was a fabric of some sort because I thought I seen threads. It looks like the two pieces used to be together.

 

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[DCMatt]

Possibly the base for a pin cushion from a Victorian era "sewing bird".

 

[USMC18]

Wow interesting!

 

[nhbenz]

It reminds me of the medical (hernia) truss pieces we’ve seen here before.

 

[DCMatt]

It reminds me of the medical (hernia) truss pieces we’ve seen here before.

That's a better guess than mine...

 

[USMC18]

Wow that may be it! I never would have guessed!