✅ SOLVED What is it?

[fyrffytr1]

I found this little item today and can't figure out what it is. It has a patent date of July 24, 1877 on it. The 1877 is on the other flap from the July 24 and is very hard to see. It is not silver. Can someone tell me how to do a patent date search?

 

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[Breezie]

It's a fabric clasp. Here's the patent:
Patent US193337 - IMPROVEMENT IN CLASPS OR FABRIC-HOLDERS - Google Patents

Neat find, Breezie