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

6 Kreuzer on blue-green, 2 single values with no. "27" and adjacent L2 "DONAUESCHINGEN 2 JUL 51" on envelope to Bergamo with adjacent red "BAD. Oe". Postage paid small objections. Photo expertising Stegmüller BPP (2005)