German Occupation of France, 1940, Dunkirchen, 15c pair with overprint. Boxed type II overprint "Besetztes / Gebiet / Nordfrankreich" on France Mercury type, reverse with partial circular "COUDEKERQUE-BRANCHE 10-8-40 15h NORD" cancel; very rare as stated on certificate only 100 issued; pristine post office fresh, o.g., never hinged, Very Fine; with 2001 Krischke certificate. Michel No. 8 II  €750 ($1,028). $0 (Image)