KM "donald duck" cap with rare stamp.

[chrisutter]

Nice sailor's "donald duck" cap,
has anybody already seen this eagle stamp inside such a cap ?
What does this mean ? A reception stamp ?
Thanks for any answer

[chrisutter]

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[chrisutter]

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[compressore]

For me a fake stamp as well as the tally not belonging to this cap.

Regards
Christian

[pauke]

fake

The ridiculous "eagle over M" looks hand-drawn and clearly not original.

[FESTUNGBREST]

pathetic, human doodled pigeon but why?