40 C. Charity issue \"pierre Purvis de Chavannes\" and 70 C. Charity issue \"Births decline\" each with hand stamp overprint \"Occupied area North France\" in type I on last day letter from \"Dunkerque 09.08.1940\" to Malo le Bains with arrival postmark on the back from 10.08.1940, small postage exceeding tariff rate of 10 C, faultless condition with time typical transport traces, reverse hinges (from album mounting - removable, no lack), expertized Pickenpack and expertise Lothar Herbst VP (2023), Michel 1.000.- (due to the postage exceeding tariff rate as single stamps valued)