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

2 ½ Groschen reddish brown in mixed franking with issue 1875 5 Pfennige violet-blue with clear boxed cancellation "COSEL REG.BEZ.OPPELN 13.4.75" on advance folded letter for collection of 40 Pfennig with blue tax cancellation "pro 40" and expenses cancellation to Leobschütz with arrival postmark in perfect condition. A late use of the 2 1⁄2 groschen stamp as a 25 pfennig stamp in the 1st half of 1875 and extremely attractive, very rare and rate-compliant mixed currency franking, certificate Brugger BPP (2004)
Reference: Manfred Wiegand "Die Mischfrankungen zwischen Freimarken der Ausgaben BRUSTSCHILD und PFENNIGE 1875", page 94 (Göttingen 2022)