1 Fr. Iris\" with overprint in type I, variety \"inverted overprint - here top down\", properly franked single franking on cover from Rosendael to Paris, without posting postmark, in Paris with machine cancel from 11.08.1940 retroactive cancelled, the stamps were in only 1.200 pairs in Rosendael issued, but only a small proportion is of it have been preserved, stamps pairs are already general very rare, an use one separate single stamp on cover is extremely rare, there so far only very few pieces of it became known, the postage war already with the divided stamp satisfied, expertized Tust BPP, Pickenpack and expertise Lothar Herbst VP (2023) : \"the condition is perfect. \", Michel 1.800.-+plus