Your posts are definitely the best what has happened in this forum section for the last decade! Please share whatever you are willing to share!

This was the receiver marking of the rifle that Poulin sold last fall:


Are you aware of how this cartridge looks like? A 8x57 cartridge body retracted (is this the correct term? Sorry, not a native speaker) to for a .303 Britishicon bullet?

Skennertonicon mentions these rifles were made for a trials in 1937.