20 Kop. on 30 Pfennig postal stationery card (advertising slogan 02) with additional 20 Kop. on 1 Pfennig Hindenburg red overprint (vertical pair!), correct postage (manuscript registration notation) on item not postally carried, perfect condition, rare, unsigned and photo certificate Gerhard Krischke "Envelope is spotted, otherwise condition is sound.", Mi. 1.500.-++