However, we have been made aware, by a contributor, of two contemporary rifles, a BSA Mk.II Lightweight Martini International and a BSA Century, that each carry what certainly appears to be the letter "I" in the left quadrant (as in Fig. This would suggest that "I" as well as "Q" was no longer deemed to be ambiguous, as had previously been the case with the Fig.1 stamp configuration.
The alphabet was restarted several years post-war in 1950 with A, but now each letter change was made at the beginning of the year.Because many rifles may have been imported or, prior to sale on the civilian market, have only had military proof marks, then dating from the Birmingham or London Proof House marks needs to be treated with a degree of both caution and common sense. This is mandatory, in the interests of public and personal safety, and any imported, previously un-proved firearm or "Sold out of Service" ex-military arm must be so proved. product where possible, and charges a fee which is donated to one or other of his chosen charities.Rifles without modern proof still regularly appear on the market, having lain in store for decades. Company for many years and holds most of those records not destroyed in enemy bombing raids on the factories during the War, has been willing to help date a particular B. It should be borne in mind that there is rarely a better way to find out more about your chosen rifle than buying one of the marque or model specific books authored by someone who has spent much of their life researching the subject.For the latter, dates of introduction of military arms can be located within the Government "List of Changes" (Lo Cs) as can dates of obsolescence and of modification or upgrade to later marks.Basic information on these lines is on site from our .