Heinrich Köhler 383rd Auction – Day 3 Single Lots: German Empire 1872 – 1945 German Reichspost – Shield Issues – The Michael Rehme Collection (part II)

2 Groschen blue with DKr. "ROSTOCK 21.3.72" on folded letter with decorative address to the Grand Duke of Mecklenburg Friedrich Franz in Schwerin with issue cancellation in perfect condition, reverse with dry seal "SIEGEL DER MECKLENBURGISCHEN RITTER U. LANDSCHAFT". Although the letter was marked "Regierungssache. frei", it was franked with 2 groschen for a letter up to 250 g; an interesting and decorative letter
Provenance: Gerd Weidemann (116th Dr Derichs auction, 1999)