German and International Philately Heinrich Koehler, Wiesbaden, GermanyMonday 20 September 2021 - Saturday 25 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Jack Petersen Collection of Faroe Islands Postal History Heinrich Koehler, Wiesbaden, GermanyMonday 20 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Hansmichael Krug Collection of the Dominican Republic Heinrich Koehler, Wiesbaden, GermanyMonday 20 September 2021 Realisations can be found at: www.heinrich-koehler.de
Gems of Indian States 1864-1950 Heinrich Koehler, Wiesbaden, GermanyTuesday 21 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Rolf Rohlfs Collections of International Mail via Trieste, Part 1 Heinrich Koehler, Wiesbaden, GermanyThursday 23 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Victoria Luise Collection of the Duchy of Braunschweig Heinrich Koehler, Wiesbaden, GermanyThursday 23 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Dr Friedrich Meyer Collection of Bremen Heinrich Koehler, Wiesbaden, GermanyThursday 23 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Elihu Weber Collection of Bavaria from 1849 (Part I) Heinrich Koehler, Wiesbaden, GermanyThursday 23 September 2021 Realisations can be found at: www.heinrich-koehler.de
North German Postal Area up to the Franco-Prussian War Heinrich Koehler, Wiesbaden, GermanyFriday 24 September 2021 Realisations can be found at: www.heinrich-koehler.de
The Dr Josef Altmann Collection of the Départements Conquis – Prussia, Saxony, and Thurn and Taxis. Heinrich Koehler, Wiesbaden, GermanyFriday 20 November 2020 Realisations can be found at: www.heinrich-koehler.de