Includes many subjects series, including animals, holidays, national flags and costumes; also, Christmas seals and stamps issued by the Red Cross and other charitable and service organizations, veterans' groups, and political parties; others commemorating the Panama-Pacific International Exhibition, the New York World's Fair, and other fairs and expositions, including Spanish items (1898-1929), German items and others from London and the United States; also, commercial stamps advertising products and services.