1918, 5 m., on 1 p., cobald blue, black opt type 2, block of four from the lower left corner with sheet controls B 18 + A opt in black, transfer G, with KNEE variety on pos 110, no gum as issued, a rare positional multiple, cert Kaufmann, XF! Estimate 2.000€. (Image)

Estimate € 2000

1922, 20 pi., violet, perf 14, London II opt in black, 25 mm high variety on pos 170, very rare and attractive, cert. Kaufmann and Muentz, VF! Estimate 800€. (Image)

Estimate € 800