1 C. Postal stamp \"Merkur head\" blackish brown orange, horizontal pair with overprint in type II, reverse as usual partial cancel of the Postmark \"Coudekerque business\" and signatur of the post office leader as authenticity marking, impeccable mint never hinged, expertized Tust BPP 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), can we for the first time in this condition offer!