Urgend... AH personal postcard

[ZAM]

Hello fellow collectors

I was offered this postcard, with a certificate from HW in Hamburg, could this be a real one?

Thanks and best regards
Dirk

[ZAM]

And a Detail...

[Il_brillante]

Original from Hitler’s Aviso grille yacht. There are lot of that original papers on market, price about 20/40 euros each