The Wm. Moore gun that I deactivated was of very inferior quality; plain and, well, just dreadful. I do have William Moore & Grey gun from the 43 Old Bond Street address built on an 1871 Thomas snap action. A double 20 bore with game scene engraving that is number 1 of a pair. A lot of the more famous Gunmakers had someone who knocked out poor imitations to try to trap the unwary. They had to be good enough to pass proof (unless the marks were forged) and so would, or should, have been safe to use. Lagopus.....