45 C. And 15 C. Postal stamp "Merkur head" and 40 C. Charity issue "athletic and recreational activities" with overprint in type I, correctly franked mixed franking on cover from "Ghyvelde 12.07.1940" to Dunkirk with reverse arrival postmark from "13.07.1940", 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 1.200.-