Sign / logo on the back of photos

[PzBtl423]

Hi collectors.
Who can help me?
I'm looking for pictures with this sign / logo on the back.
I would be very happy about the attitude and support from you.

Thx and Best Regards
Marvin

[PzBtl423]

Hi,
I am looking for are, for example those photos.

LINK

Does anyone have and which would show this?
I would be very happy.
Greetings