Career
After his death, his collection was auctioned by Robson Lowe. James Seymour contributed the section on British line engraved stamps in the Kohl Briefmarken-Handbuch, published in Germany in 1923. He and the editor, Doctor Herbert Munk jointly received in 1931 for the best philatelic work in the German language that year.
Seymour was also the author of Stamps of Great Britain: The Lincolnshire-engraved Issues, 1840 to 1853.
He completed a revised edition of the book in 1950. Seymour was active within the philatelic community.
He served both the International Philatelic Union and the Royal Philatelic Society London as president And, at the l"Academie de Philatélie, he was elected as a corresponding member.
Seymour was a President of The Magic Circle.