10 C. Postage stamps issue \"Merkur head\" and 90 C. Special edition \"Guillotiere bridge in Lyon\" with hand stamp overprint \"Occupied area North France\" in type I, properly franked mixed franking on cover from Dunkirk 13.07.1940 to Ghyvelde with arrival postmark on the back from 14.07.1940, weak brownish spots the stamps tangentially, expertized Roumet among others as well expertise Lothar Herbst VP (2023) : \"the other condition is perfect. The stamps are only in very small number of pieces known, therefore are they very rare. \", Michel 700.-