10 Rp. Strubel mittelpreußischblau, 3. Berner Druck, sog. Seidenpapier, schwarze Raute und diagonaler Eisengallus-Tintenstrich, allseits voll- bis meist weissrandig vom linken Bogenrand, oben und unten mit Nebenmarken, Fotoattest Urs Hermann SBPV: "seltene Doppel-Entwertung, fehlerfreie Erhaltung", sign. Star, SH-Nr. 23B3mm.III.b Attest/Certificate: , Katalog: 14II Bzo o
10 Rp. Strubel prussian blue, 3. Bern printing, so-called silk paper, black lozenge and diagonally iron gallus ink line, on all sides full- to mostly white margined from left margin of sheet, above and at the bottom with neighbors, photo expertize Urs Hermann SBPV: "scarce double cancellation, faultless condition", signed Common Starling, SH-no. 23 B3 mm. III. b, catalogue: 14II Bzo o
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