Ernst Max Cohn (March 31, 1920 – December 30, 2004), was a multi - lingual philatelic researcher and expert from Alabama, who advocated re - researching original philatelic sources rather than relying on subsequent published philatelic literature.
Ernst Max Cohn (March 31, 1920 – December 30, 2004), was a multi - lingual philatelic researcher and expert from Alabama, who advocated re - researching original philatelic sources rather than relying on subsequent published philatelic literature.
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