50 C. Charity stamp \"Musica\" with overprint \"German occupation North France in type II, vertical pair as properly franked multiple franking on cover from \"Ghyvelde 09.07.1940\" to Dunkerque with arrival postmark on the back from 10.07.1940, multiple franking with charity stamps are very rare, expertized Roumet, Dreyfuss, expertise Lothar Herbst VP (2023) \"the condition is perfect. \", Michel 1.400.-