What Philately TeachesWhat Philately TeachesReading editionChapter navigation3 reading sectionsGo to chapterChoose a chapter…What Philately TeachesJOHN N. LUFFWhat Philately TeachesBeginning of this editionNext chapter →JOHN N. LUFFAll chapters and sections (3)What Philately TeachesJOHN N. LUFFWhat Philately TeachesA LECTURE DELIVERED BEFORE THE SECTION ON PHILATELY OF THE BROOKLYN INSTITUTE OF ARTS AND SCIENCES, FEBRUARY 24, 1899BYJOHN N. LUFF →