I've had this casing in my little collection for a while, always believing that it belonged to a FLAK 88, but somehow the casing seemed too long... Because a FLAK 88 shell was 88 × 571 mm, and mine is around 850mm long.
So it could belong to the PAK 43, but why is it marked FLAK 41? 40mm is for scale.
It also has a Waffenambt stamp which is hard to see on the picture, could it's code be any help?
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