50 C. postage stamp "Allegory of Peace (Early Issue Type II), vertical pair with overprint "Occupied Territory Northern France" in Type I as valid postage on a letter from "Ghyvelde 22. 07. 1940" to Dunkerque with arrival postmark on the reverse dated 23. 07. 1940, flawless condition, the stamps are known only in small quantities, therefore they are rare, expertise by Lothar Herbst VP (2025) "The condition is impeccable.", Michel 600.-