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What shell is this?


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The base of this shell is too rusty to see any markings, so I am wondering if anyone knows which shell type this is? Is measures 5" diameter at the base and is approximately 23 1/2" high. Thanks.




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Initial thought, Measure the projectile opening OD, critical for an ID. Looks like a lacquered steel 90mm casing. Sorry, my examples for comparison are in storage. The headcase probably is dated from the 50’s, made by Norris.They used to be common, getting hard to find.

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Old pics, 37mm to 120mm. I had assembled the “guide” with M number designations, no idea why it was not put into the reference section, over the years it would have answered many questions.



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25 minutes ago, 27Division18 said:

The diameter at the opening is a bit more than 3 1/2 inches

90mm. US Ordnance artillery was standardized 37mm, 40mm, 57mm, 75mm, 90mm, 105mm, 120mm. 

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Most likely 1953, Norris started and was successful in manufacturing limited larger bore cheaper lacquered steel casings late war, all large bore examples I have seen are 50-60’s manufactured. 

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