Souvenir sheets issue "150 day of death from Friedrich Schiller", variety "colour blackish siena missing (Michel -no. 466 B), unused with original gumming (these to the two hinge points through moisture a little pass), on face in the corner area lower right slightly redspotted - in view of the rarity tolerably, photo expertize Dr. Ruscher BPP (2019) : "the souvenir sheet belongs to the rarities of the collection areas German Demokratic Republik (East Germany). ", Michel for ** 5.000.-