The boxed letters in red on the cover are for both latin and Hebrew for the word ARCHIVE (in Hebrew it would be ARCHION, which is just that next to ARCH), this would be the archiving of the card at the ghetto after the death of the holder. It should also have another stamp on it for passed away at the Litzmannstad Ghetto, it could also be found inside the ID itself, seems your sample does not have it, still, yours is an original and rare piece. You can also see my sample here with that extra stamp, left side bottom.
Neil.
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