Austro-Hungarian buckle

[Yukonbies]

Hi,I need some help with that buckle,I know its Austro-Hungarian eagle,but can anyone tell where that buckle was used?small belt from sword?maybe someone have pictures where it was used.
last photo is from net same buckle.
Thank You.

 

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[CRUSADER]

If I found that in the UK, I would ID it as a Book Clasp, not a buckle. See similar:
Binding clasps | The Collation
Which makes it at least 18th C.