30 C. definitive issue "Aristide Briand" and 70 Cent charity issue "Decline in Births" with hand-stamped surcharge in Type I, postal franking on the front of a letter from "Dunkerque 04. 07. 40" to Ghyvelde, flawless condition, examined by Dreyfus, Roumet, expertise by Lothar Herbst VP (2025) "The condition is impeccable. The stamps are known in very small quantities, therefore they are very rare.", Michel 1. 200.-