10 Rp. Strubel prussian blue, 3. Bern printing, so-called silk paper, black lozenge and diagonally Eisengallus 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. 23B3 mm. III. b