Very nice gun. TRW999 published the history of P.Webley on this line:
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=449397 It looks like it could have been originally a pin-fire. Photos of the top of the breech of the barrels might show this better. This was discussed recently in this line.
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=645624Just an observation. Choke boring as we know it was not really used until Greener perfected it, published it in December 1874 and won a "The Field" shoot-off in March 1875. At that point virtually everybody began advertising choke bored shotguns but there were not that many actual takers. UK proof laws changed at that time (1875) to require "Not for Ball" on guns with choke bores but if the barrels were not choked - no stamp. Thus on unchoked guns the proof marks will be the same from 1868 to 1887 (or in many cases 1855 to 1887).
For those interested here is a single barrel Reilly 8 bore percussion gun that might be really fun to shoot:
https://www.rockislandauction.com/d...-8-bore-single-barrel-percussion-shotgun (originally advertised 15 years ago as a 6 bore). It is a J.C. Reilly, SN 7802, which would have been made at 502 New Oxford street as part of the JC "7000" series guns probably around 1853. The burst pattern on the backside of the breech heralds similar patterns used on the chambers of pin-fire breech loaders a few years later.
![[Linked Image from i.imgur.com]](https://i.imgur.com/un0w5pq.png)
![[Linked Image from i.imgur.com]](https://i.imgur.com/N62WHXR.png)