Stephen, I am not sure if I fully understand the Belgian proofmarks nor did I spend much time yet on researching. There are a lot of marks to deal with on the flats and on the barrels. Some, I have no idea what they are. My initial concern was simply measure wall thickness for safety and go from there. I just got the gun two days ago in the evening. My guess is all the barrel work was done in the USA.
I will take pictures as soon as I can and post them here. I think members might find it interesting.
