50 C. Special edition "500 anniversary the waiver of orleans" with overprint in type I, correctly franked multiple franking on cover from Ghyvelde 21.7.1940 to Dunkerque with on the back arrival stamp from 22.07.1940, faultless condition, expertise Lothar Herbst VP (2019) : "the condition is perfect. The stamps are general only in very small number of pieces known, therefore are they very rare and belong to the large Favorite the public stamps. ", Michel 2.400.-