2 C. Postal stamp \"Merkur head\" blackish opal green, horizontal pair with overprint \"Occupied area North France\" in type II, from left margin of sheet, impeccable mint never hinged, expertized Tust BPP, Roumet and expertise Lothar Herbst VP (2023) : \"the condition is perfect. Due to the small issue from only approximate 80 - 100 pairs are these stamps very rare. \" Michel 2.500.- provenance: expertization collection Wolfgang Tust (compare 29. HBA auction 1997)