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Genre Business correspondence Remove constraint Genre: Business correspondence Language French Remove constraint Language: French Format Image Remove constraint Format: Image Subject Chemists Remove constraint Subject: Chemists Subject Pasteur, Louis, 1822-1895 Remove constraint Subject: Pasteur, Louis, 1822-1895

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    • 1973-Jun-10

    Semipostal stamps commemorating the 150th anniversary of the birth of Louis Pasteur. Includes two postmarks depicting Pasteur, with Pasteur also featured on the first day of issue cancel. A semipostal stamp is a postage…