Help ID blank

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The body diameter 0.345” (8.76mm)
Rim diameter 0.394” (10.00mm)
Cartridge height 0.382” (9.70mm)

Is this a tool blank or a starter pistol blank?
Thank you for any information you can provide. Searching the forum and internet I have come up empty.

9 mm Flobert pistol blank.
Gevelot et Gaupillat. Societè Francaise des Munitions. París, France.

Thank you