[RJay]

With clear sharp photos of all the markings ( remove the forearm, there will also be markings there ) it may be possible to give you more information. In one year alone at the turn of the 18th century, over one million firearms were proofed at Liege proof house. Belgium had dozens of gun makers, from large factories to small mom and pop cottage industries, they were imported all over Europe and to the U.S. by the boat load ( literally ).