30 C. Postal stamp "Merkur head" and 70 C. Special stamps issue "Le Puy en Velay" with overprint in type I, correctly franked mixed franking on cover from "Ghyvelde 3.07.1940" to Dunkirk with reverse arrival postmark from "4.07.1940", faultless condition, expertise Lothar Herbst VP (2019: "the condition is perfect. The stamps are only in very small number of pieces known, therefore are they very rare. ", Michel 800.-