5 C. And 30 C. Postal stamp Merkur head and 65 C. Charity issue \"Victor Hugh\" with hand stamp overprint in type I, properly franked mixed franking on letter from \"Dunkerque 18.07.40\" to Ghyvelde with on the back arrival stamp from 19.07.1940, faultless condition, unsigned, expertise Lothar Herbst VP (2018) : \"the condition is perfect, with issue typical perforation. The stamps are only in very small number of pieces known, therefore are they very rare. \", Michel 1.400.-