50 C. postal stamp, red, vertical pair with right attached blank fields and over the stamps vertical overprint in type II, in perfect condition mint never hinged - reverse alike almost always with strike of the Postmark from "Coudekerque business" as authenticity marking, only issued 400 - 500 Pare - with blank field only about 40 - 50 pairs possible - therefore especially rare, signed Brun amongst other things and certificate with photograph autumn VP (2014) : "the condition is perfect. ", Michel 2. 400.-