Hi again,
Thanks to Jose for his input.
I think that the idea that this marking indicates unopened mail is refuted by the fact that both of the covers that Peter and I have uploaded were opened, as was the cover shown on the site
https://semeuse25cbleu.net/grande-guerr ... llet-1915/
which, contrary to M. Binos's suggestion, attributes the NO marking to the French rather than to the British.
28 août 1919, contrôlé par l’autorité militaire, cachet 1 à chiffre droit de l’Armée d’Orient.
Recto : bande de contrôle oblitérée avec le même cachet + cachet « NO » de l’Armée d’Orient
This is an obscure point. but as nobody really seems to know the answer, we should pursue it. My plan is to keep an eye out for it on eBay, which I scan for censorship most days, and report any findings to Peter (since his query started the process). He may eventually have a definitive answer that can be an article in the CCSG Bulletin.
Dann
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