Vintage French Possible Louis Rousselet Glass Dangle Brooch (A1785)

Vintage French Possible Louis Rousselet Glass Dangle Brooch
Size: 2.75".
Color: Gold; Pink
Condition: Very good vintage
Signed: Brevette S.G.D.G.

Details: Beautiful glass,
The clip is marked Brevette S.G.D.G.
Very unique; not sure what the clip is; it does not move.
It has a trombone c clasp. The metal work looks like Rousselet, but I could not confirm.
The bottom piece is moveable.

Please look at all the photos, as they are part of the description. I try my best to point out any flaws.
Also please remember this is a preloved piece and may show signs of light wear, marks, scratches, etc.
I will be posting a lot more jewelry, Keep checking back.