what is it?

[Vino]

Found this today. Were I've been finding old coins..like 1796 large cent .1833 half cent ..anyone know what it is.

 

Amazon Forum Fav 👍

Minelab PRO-FIND 35 Waterproof Pinpointer Metal Detector for Experts with Tone ID & Adjustable Sensitivity - Grab it through Amazon!

[ekeisler]

I see LCO sideways. Could be a lead seal.

 

[GatorBoy]

Looks like a lead seal.
That's likely the company that produced the textile it bound together.
I have a small but similar one from an early 1800's site.