30 C. Postal stamp \"Merkur head\" and 70 C. Special stamp \"tower of the Strassburger Muensters\", with horizontal, over both stamps passing over hand stamp overprint in type I, as properly franked mixed franking on cover from DUNKERQUE / north, 5-7 40 to Ghyvelde with arrival postmark on the back from 6.7.40, faultless condition, expertized Dreyfus, Roumet, Tust BPP and expertise Lothar Herbst VP (2018) : \"the condition is perfect. \"