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GERMAN ALLIED ZONES - FRENCH ZONE BADEN 1949 (5 Sep) registered cover bearing Red Cross miniature sheet (Michel Block 2 I, SG MSFB45a) cancelled by 'Freiburg (Breisgau)' cds cancel, with 2pf Aid for Berlin Tax stamp and registration label alongside. Minor traces of typewriter letters offset imprints, with two Schlegel photo-certificates, very rare.