Is anyone familiar with the nuances of the 'Echte Photographie' mark found on some photo postcards?
I have one example that I'm pretty certain is postwar (let's just say that Mr. S. and I differ on his opinion that it was a 'treasure').
Here's the back...
I have one example that I'm pretty certain is postwar (let's just say that Mr. S. and I differ on his opinion that it was a 'treasure').
Here's the back...
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