It is the flag of “Rheinland Pfalz”
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It’s the “Pfalz-Fahne” Here’s German Wikipedia: https://de.wikipedia.org/wiki/Pfalzfahne?wprov=sfla1
Amazing!
I just asked Gemini. I knew it has to be German flag, but I didn’t know from which region.
It’s the flag of a place where no one had seen a real lion in centuries.


