10 C. Postal stamp "Merkur head" and 90 C. Special stamps issue "battle ship Clemenceau" with overprint in type I, properly franked mixed franking on cover from "Dunkerque 14.07.1940" to Ghyvelde with arrival postmark on the back from 15.07.1940, very fine, expertized Calves, Dreyfus, Roumet and 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 800.-