And even more folks at the bottom here frown
https://docs.google.com/document/d/17yCstxftvWXpFdSru4JKbRIE1-Q8OqXgJs66tEXntqw/edit

And just a few of the yet to be ID'd presumed U.S. importer's marks:
W & R
RIS & Co.
O. and C.& J.
TD
B.J.W.&Co. (possibly Mercer, PA) has been identified on Belgian sourced but English finished and marketed non-Hunter Arms tradename guns
https://books.google.com/books?id=SXI-AQAAMAAJ&pg=RA6-PA65&lpg