QUOTE. 1
We vigorously protect our copyright. We can't stop you owning prints bought in good faith as a consequence of library clear outs - they have been happening for decades.
QUOTE. 2
In actual fact, pooling of images during WW2 has presented an enormous grey area allowing people to make money off each other in all kinds of ways. But at some point it will have to end.
The circumstances are probably exactly as you describe. The vendor has reputation , the provenance can not be bettered.
The fact is that I recognised the great historical significance that has only become significant in recent years (that was a puzzle even at the time).
Obviously - I know the origins , reporters name (but not the photographer he took to site) , their employer , the US newspaper the photograph(s) were wired to.
Probably I will need to do more research on the Newspapers concerned to establish if they retain the copyright , although - it would seem they no longer have actual legal ownership of the only photograph(s) . The pics I have , I suspect did not go into print as more dramatic ones were known used. At least until I became aware - nobody bothered , obviously well filed away but with captions as if prepared for print.