mystery waist belt plate

[btns]

Identification of this buckle has eluded me.
It is 58 mm wide and 65 mm high, the fleur de lis may have a white metal coating.
I think it is military, 2nd part of the 19th century and from a Western European country.
Depending on its ID I may dispose of it.

[altcar73]

Can't be any more specific but, French?

Dave.

[btns]

I have used google to search French sites, using "boucle de ceinturon" and Spanish sites using "hebilla del cinturón" with and without Borbon.
It remains a mystery.