50 C. postal stamp "peace allegory" (base stamp type II) with overprint "Occupied area North France" in type I, variety "inverted overprint", properly franking on cover from "Dunkerque 8.07.1940" to Arneke with arrival postmark on the back from 8.07.1940, very fine, signed Fourcoult, Calves and expertise Lothar Herbst VP (2025) "the condition is perfect. the stamps are only in small number of pieces known, therefore are they rare. ", Michel 800.-