6 + 9 Pfg on glossy art paper, imperforate in error colour blue instead of violet, on Ukraine 6 Pfennig postal stationery card (Mi.-No. P2), overfranked, perfect condition, rarity of the area, only 30 printed (2 sheets), signed Hans Zierer, Bartels and photo certificate Gerhard Krischke "The condition is faultless ... Actual postal carriage cannot be established. The print run is only 30.", Mi. 5.000.-++