I'm not sure what I'm looking at here - 21.5" double barrel hammer gun marked "F Williams" on the lockplates, "Laminated Steel" on the rib. Has the vibe of a very old bar gun?

[Linked Image from i.imgur.com][Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]


10 gauge shells fit, but you can see the '12' markings.
[Linked Image from i.imgur.com][Linked Image from i.imgur.com]

So - any guesses as to the age?



Pre-existing related threads for easy reference

F. Williams shotgun value?? (pics included)
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=199311&page=1

Fred Williams English Maker
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=174888&Searchpage=1&Main=15884&Words=%22F.+Williams%22&Search=true#Post174888