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#572794 05/26/20 10:09 AM
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From what I see these two name guns are made the same except the scallop frame and extensive engraving on the Tolley. The Powell was a 2" chamber gun. What I'm not sure of is the Tolley a 2" gun? I have reached out to the seller with no reply... yet.

W. Powell


JW. Tolley


W. Powell


JW. Tolley


W. Powell


JW. Tolley


W. Powell


JW. Tolley


Last edited by battle; 05/26/20 10:20 AM.
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I'm always wrong with British proof marks, but 90 guys have looked at this without risking embarrassment, so here goes.





It was originally proved pre-1954 for 2" chambers with 7/8 oz. shot. The original bore was 13/1 = .719-.728".

Most of the pre-54' marks were lined out (including the 2") when re-proved (I think the Birmingham date code 'T' is 1968) when the chambers were lengthened to 2 3/4". The number forward of the TONS PER sq. inch. (which is a post-54' mark as is the Crown over BNP) appears to be covered by the different font 2 3/4 mark. 2 3/4" should be 3 1/4 tons

Someone smarter may now correct me, but I tried wink

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It has also been sleeved. It's marked on the side of the barrels, and you can see the line in the bottom picture.


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I think the 2-3/4" mark refers to tons, not that it was rechambered.

I believe I remember reading that in 1954, when the proof houses went to using tons, 3 tons was standard proof for the 2-1/2" gun, and they dropped it down to 2-3/4 tons for 2" guns.

The reproof was probably done when it was sleeved. Bit of rust coming out of those sleeve joints...


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Originally Posted By: Recoil Rob
I think the 2-3/4" mark refers to tons, not that it was rechambered.

I believe I remember reading that in 1954, when the proof houses went to using tons, 3 tons was standard proof for the 2-1/2" gun, and they dropped it down to 2-3/4 tons for 2" guns.

The reproof was probably done when it was sleeved. Bit of rust coming out of those sleeve joints...


This was my understanding as well.

I'm also wandering if after the sleeve (which I didn't notice) if the new tubes are now 2 3/4" chambers. But wouldn't the original barrel stub still marked "for 2" inch case" ?

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Why was the '2' lined out?


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Not sure Drew, it looks like they lined out a lot of things they didn't need to.

Perhaps the gun was known to be out of proof at one point and the marks were struck off so it couldn't be sold. Then, when it was sleeved and reproofed, they stamped over them.

Here are two reproofed guns I have, neither had the old marks struck off.

An 1894 Whitworth Steel Purdey that was reproofed in 1924 for Nitro powders...



A damascus Warrilow that I suspect was made in the late 1880's - early 1890's, reproofed in 2001



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Agree that the 2 3/4 goes with tons, not chamber length.

That's one of the messiest jobs I've seen with multiple sets of proofmarks.

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Found this from the "Illustrious Member" of SSM (do we have those here? wink ) Bro. Larry confirming that 2" guns were marked 2 3/4 tons
https://shootingsportsman.com/community/guns-ammunition/the-2-12-gauge-appropriate-service-pressure/

Still hoping one of our English contributors could clarify the plethora of proof marks smile

Have the chambers been measured yet?

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Originally Posted By: Recoil Rob
Not sure Drew, it looks like they lined out a lot of things they didn't need to.

Perhaps the gun was known to be out of proof at one point and the marks were struck off so it couldn't be sold. Then, when it was sleeved and reproofed, they stamped over them.

Here are two reproofed guns I have, neither had the old marks struck off.

An 1894 Whitworth Steel Purdey that was reproofed in 1924 for Nitro powders...



A damascus Warrilow that I suspect was made in the late 1880's - early 1890's, reproofed in 2001




That is more than likely the case!

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