If it is in Mournetas' book on Ideals, I can't find it.

Would be interesting to know the model number of the gun you posted that is not in the ad. My guess would be that it too is a 375, supporting WC's contention that the use of mono block barrels is a result of cost cutting measures late in the history of Manufrance, as the enterprise was failing and while demand for SxS was at an all time low.

The world cries out for such: he is needed & needed badly- the man who can carry a message to Garcia