What can you tell me about this No1 MkIII?

[Baal]

I bought this rifle a while back, but I have some questions about it still.

The wood is completely bare of any stamps except for a small V over 16 behind the trigger guard. The receiver, bolt, barrel and rear sight are all matching. The magazine and nose cap have no markings.

Here are some photos of the various stamps on it. As you can see, the only marking on the butt socket says BSA Co. The usual crown and year markings are absent. Would love to know what year this rifle was manufactured. Other stamps are visible in the attached photos. V over 19 is the lowest number. Would that make this a 1919 rifle? The letters AO are also stamped on the barrel. And there's also an unclear stamp which might be J5 or possibly 55. Is the butt disk authentic? I do understand the 303 Nitro Proof stamp, but there's also a small crown over the letters BM which I don't know the meaning of.

Thanks in advance for any info.

Information

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