35 C. Postage stamps issue "Semeuse" and 65 C. Charity issue "Return from Spain" with hand stamp overprint in type I, correctly franked mixed franking on first days cover from "Dunkerque 1.07.40" to Ghyvelde with on the back arrival stamp from 2.07.1940, faultless condition, unsigned, expertise Lothar Herbst VP (2018) : "the condition is perfect. The stamps are only in very small number of pieces known, therefore are they very rare. ", Michel 1.500.-