The one on the right is an airmail forerunner from 1920. From the descriptions that I found online, I conclude that these had the same purpose as the blue airmail / par avion labels that were used for a long time. They seem to be listed in Yvert and older versions of the Maury / Dallay catalogues.
Not sure if this helps with the overprint.
https://colnect.com/en/stamps/stamp/4163 ...
The one on the left is a regular precancelled Y&T #28
My Y&T is dated (2007) so values are probably out of date in Euros MNH 1100 M 660 Used 180
Beware of counterfeits o/p.
rrr...
rrr
2021 Yvert values now 1750, 1000, 200 Euros
According Yvert catalogue 2022 :
Can someone identify these 2 items for me. They are not listed in Scott. It appears that the one on the right is a Cinderella.
re: France
The one on the right is an airmail forerunner from 1920. From the descriptions that I found online, I conclude that these had the same purpose as the blue airmail / par avion labels that were used for a long time. They seem to be listed in Yvert and older versions of the Maury / Dallay catalogues.
re: France
Not sure if this helps with the overprint.
https://colnect.com/en/stamps/stamp/4163 ...
re: France
The one on the left is a regular precancelled Y&T #28
My Y&T is dated (2007) so values are probably out of date in Euros MNH 1100 M 660 Used 180
Beware of counterfeits o/p.
rrr...
re: France
rrr
2021 Yvert values now 1750, 1000, 200 Euros