Lot 30050 – 1851, Yellow Mercury (6Kr) in dark yellow shade, used (with part cancel

1851, Yellow Mercury (6Kr) in dark yellow shade, used (with part cancel of Wien Zeitungsexpedit), a still unwashed example showing at back large part of original gum with some gum cracking (of which one ends up at top margin in a small tear outside cliché), with still white to large white margins, it’s of atypical intense colour; cert. Ferchenbauer & Zenker (ANK € 16’000, Ferchenbauer 2000 €11’500, Mi 2019 €10’000).