30 C. Postage stamps issue "Aristide Briand" and 70 cent charity issue "Births decline" with hand stamp overprint in type I, properly franked mixed franking on front of cover from "Dunkerque 04.07.40" to Ghyvelde, very fine, expertized Dreyfus, Roumet, expertise Lothar Herbst VP (2025) "the condition is perfect. The stamps are only in very small number of pieces known, therefore are they very rare. ", Michel 1.200.-