There appear to be a few things that don't quite fit with the description given. The first that strikes me as a bit odd are the decimal bore dimension, indicating 1954 rules of proof.Between 1989-91 you could get either metric or Imperial but after 91 I believe only metric designations were available.If the gun was made over a 6 year period it may or may not have qualified. The second is the actual designation of.614"a very odd size. I have seen non std designations on London Proofed guns but not (as yet)on a Birmingham proofed gun.
Under 54 RoP a 20ga would have to accept a .615 plug the next undersize would be .605. Why would a London Co like H&H stop .001" short of getting the correct dimension??? On the other hand if they were made in Europe 15,6mm would be common giving a bore of .6142". It looks to me that it could be a Spanish Action body and Barrels,Long nosed H&H style trigger plate with York and Wallin Locks ,Birmingham engraving and stocking.
Non of the above being necessarily a bad thing it is I believe still good value for money BUT as mentioned earlier not likely to increase in value much above this point of 10,000UKP/ 14500USD. I'd very much like to hear Small Bores comments on the gun if he's seen/handled it.
