WW1 U-boot Badge, a good one ?

[Malishev1]

Hello ! I only collect WW2 U-boot badges, but that one could be interesting. I am really not sure, it looks artificially aged to me. Here are the only two pictures I own.
What would be the value ? Thanks for your help !

[BubbaZ]

Hi,
It is a fake unfortunately.
Obverse design is wrong for 'Schott' imperial u-boat. Designer's mark is also wrong.
No need for extra images.
Cheers,
Hubert

[Giel VW]

I agree with Hubert on this one