Gene,
Good start. I get prior to 1924, as the marks changed, along with the laws.

I’ve been in the proof house in St. Etienne. It is a busy little hive. The proof master answered a few of my questions, translation provided by Herve’ Bruchet, and explained the place would have been off limits to me, if they had been proofing military guns that day (they weren’t). Then he went back to work.

Racks and racks of barrels for Verney Carron semi autos were lined up.

Best,
Ted

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Not exactly Prince you are bragging on there, Lugnutt.