Am I in the right place

Can somebody give me an Idea of what this is? If I should ask this some place else please let me know.
Thank you

Yes, you are posting in the correct place.

7.65x53.5 Argentine SS Ball, signified by the green primer seal anulus color for this particular date…
The maker is Fabrica Militar de Municiones y Armas Portativas, Bhorgi, Argentina.

Joe

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Thank you very much

is the 1946 the manufacture date?

Yes. 1946 is when the casing was manufactured. Not necessarily when it was loaded.