Did I Find Some Type of Buckle?

[Ripcon]

Here's a brass item I found in Vicksburg in a Union camp.
Is this some type of buckle. Just seems kind of small and delicate.
It has a lot of rusty type of crustation on it, especially the front.
It also appears to have a 6 pointed star at the top.
Any guesses?

 

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[kikmc5]

Sash or hat pin /buckle

 

[Ripcon]

Thanks!

 

[ANTIQUARIAN]

Yup, back portion of a Victorian Period ladies sash buckle.

Dave

 

[Joe-Dirt]

Pretty cool whatever it is