Originally published in 1911 this early works is a fascinating collection of essays on the subject. Contents Include; Essays for General Issues. Essays for Department Stamps. Essays for Registered Seals. Essays for Newspaper Stamps. Essays for Letter Sheets. Essays for Postal Packet Stamps....Many of the earliest books, particularly those dating back to 1900's and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.