10 Pfg official stamp, colour error green black instead of blackish gray, date-appropriate round cancelled "Horse tepid (ELBE) ", faultless condition, an extremely rare stamp, the through the exclusive official commercially usage in perfect quality practically not to find is and we now for the first time offer can, a German Demokratic Republik (East Germany) rarity the in more or less each collection is absent, photo expertize Paul BPP "the postage stamp is genuine, the stamp impression comes from above described ZKD stamp and is genuine and date-appropriate. The condition is perfect. [. ] the use in the commercial usage is through the research in the area Dessau / Horse tepid fail-safe. ", Michel 4.000.-