I ended up bringing home an F.A. Loomis. I negotiated $285 US for it, which was $65 US less than was asked.
It is a 12 gauge and looks like the only thing. Besides a good cleaning, I will need to do is work on the firing pins since they are a bit flattened from the hammer. Here she is
Veteran US Navy Seabees - US Army Corps of Engineers - American Legion Post 0867
" Only two defining forces have offered to die for me. 1.) Jesus Christ 2.) The American G.I. "One died for your soul, the other for your freedom! "