Heinrich Köhler 383rd Auction – Day 7 Grand Duchy of Baden – Frankings and Postal History – The Klaus Peter Geis Collection Schleswig-Holstein 1850–1867 – The Rolf Beyerodt Collection

18 cross vermilion, three-sided large margins, the right margin supplemented, with clear open Mühlrad-cancel "325" on small envelope dated 31 December 1868 to Duchess Sophie of Alencon, née Princess in Bavaria (sister of Empress Elisabeth), to Bushy House near Teddington, Middlesex. An attractive and scarce single franking. Certificate Stegmüller BPP (2010)