Thanks

I just looked carefully at the barrel shank and I'm pretty sure that it is a "VKT/B" barrel. According to the rarity chart at 7.62net, that is a bit rarer than the "B" barrel.

It is possible that it is a "Liege proofed" VKT/B barrel. The squiggly mark on the far left of the pic almost looks like a Liege proof mark.



I'll need an expert ruling on this one.