The site is called Perdus dans la poste (Lost in the mail) and is a joy to scroll through. I am shocked how emotional I got looking at some of these stamps.
(I collected stamps as a kid in Ottawa, and remember the above ones very well.)
"When was the last time you wrote a letter? The last time you licked a stamp?
Some will say that we need to modernize, that we don’t need what is physical, what is paper anymore.
Well, honestly, if that is how you feel I find you to be heartless. A properly functioning national mail delivery service is what I call CIVILIZATION."
I can go with that. More below.