\"Gravelines\" provisional arrangement: cover with postage stamp impression 50 C. Semeuse and official additional franking 5 C. And 45 C. Merkur with joint overprint \"Occupied area North France\" in type I, properly franked used as letter from \"Gravelines 26.07.40\" to Petite Synthe with arrival postmark on the back from 27.07.1940, this provisional arrangement emerged through lack at values to 50 C. (Michel number 2 and 3) thus were from remainders these covers produced and after the hand stamp overprint affixed became at post customer in Gravelines to franking purposes handed over, besides as usual small time typical use- / transport traces has the cover a vertical center fold the through the left adhesive stamp to 5 C. Goes, the on the back letter flap is absent, edition the covers only 77 pieces - only a small proportion of it is until today have been preserved, expertized Brun and expertise Lothar Herbst VP (2023) \"extremely rare. The cancel Petite Synthe is rare. \"