WW2 37mm Artillery shell.

[DiggingSicilia]

Any idea what this was? It measures 37mm and is 95mm long. Bottom is stamped
CA 9L 40N 37

 

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[Marino13]

I'm guessing it was some sort of anti aircraft round.

 

[Digger RJ]

Any idea what this was? It measures 37mm and is 95mm long. Bottom is stamped
CA 9L 40N 37
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Nice!!! Congrats!!!