CS&CSS member, the late Joseph S. Wheeler, Jr., exhibited his Christmas Seal poster collection for many years across the country, primarily at stamp shows. His collection was educational and fun. Illustrated here are the earliest Christmas Seal posters. The "Good Health, Fight TB" with double barred cross and holly, issued between 1908 and 1910 by the Federated Women's Club, was reported by the National Tuberculosis Association to be one of the earliest TB posters.
1) The horizontal format posters were used on public transportation (buses and subway cars), and seem to have been phased out in the 40's.
2) The vertical format Christmas Seal posters with Christmas Seal designs, first issued in 1920, form a long series which came in several different sizes.