Welcome Hans-Ulrich to the forum & oh what an entrance with a brilliant early 2446 Autavia.
My own example here has the 48859 serial - clearly they are long lost brothers.

You will receive plenty of generous offers should you want to sell this watch ( also even if you dont want to sell the offers will roll in) . Its in amazingly good shape & these are extremely rare & desirable.
Best of luck - Darren

: Hi all and a great thank you for so much feedback!

: the serial number is 4887x.
: i bought it in germany some years ago, because its a 1962-watch -
: as old as me.
: i added some pictures.
: ...
: ...
: and thank you all for the fraud-warning. i will not sell the 2446
: until i posted the information here.
: actually i didn´t want to sell it generally, but 15000 euro is
: more i earn during one year. i can´t really imagine...
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: regards - h.u. (it is a nice place here)