a) a comerical holiday label used on Christmas mail and packages
b) a tuberculosis or lung charity label issued at Christmas time by any of 76 different countries, totaling hundreds of different national and local tb societies, as stated in this pamphlet issued in 1976 by the American Lung Association
c) a fundraising seal which includes the double barred cross, or Cross of Lorraine proposed in 1902 at the international conference on TB in Berlin, as the international symbol of the fight against TB
d) a tb seal issued by the ALA, or any other Organizational or Constituent Member of the International Union against TB & Lung Disease
e) an entry in the Christmas Seal contest held at the World Conference on Lung Health, the annual convention of the International Union against TB & Lung Diesase
f) a seal issued by the ALA or it’s predecessors, since it’s acquisition of a registered trademark for the term in 1987.
If you choose “f”, you are correct, Christmas Seal® is a registered trademark of the American Lung Association.