souvenir sheet issue "German Red Cross" with factory watermark and additional red cross over the brown cross in the sheet margin, used "PSKOW k 28 3 42", original size approximate 118-160 mm, very fine, scarce issue, signed E wild boar, Gachot et alia and photo expertize Walter Zirath BPP "due to the low issue are these souvenir sheets very rare. " Michel 6.500.-