40 C. "Parisian Postal service museum" and 90 C. "Births decline" with overprint in type I as mixed franking on postage exceeding tariff rate cover from "Dunkerque 1. 8. 40" to Bailleul with reverse arrival postmark from 2. 8. 40, left stamp with corner perforation fault top left - otherwise in perfect condition condition, signed Pickenpack and certificate with photograph autumn VP (2014) : "the stamps are only in very small number of pieces recorded, so that they very rare are. The postmark "Bailleul" is very rare. ", Michel 1. 000.-