1 R on 10 Kop. Postal stamp dark Prussian-blue, overprint in type III, used with mute stamp from "15 5 42" and one-line cancel "Alexanderstadt on piece, issued only 15 examples - one of the large rarities the issues of the German occupation in the II. World war, photo expertize Krischke BPP: "the condition is perfect. ", Michel 30.000.- - superb item of this rarity!