I’d say this is some kind of war time 32? Steel cased - magnet sticks skinny, taller than the 32 acp shown and almost the height of a 9mm luger
32 Caliber Ammo Comparison
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32 Caliber Ammo Comparison
The .32 ACP: When Less Is More - TheGunMag - The Official Gun Magazine of the Second Amendment FoundationTheGunMag – The Official Gun Magazine of the Second Amendment Foundation