TY  - BOOK
AU  - The Philatelic Foundation
AU  - Seminars and Workshops | United States | Postal Markings | Postal Markings -- Bogus and Forged | Postal History | Covers | Covers -- Bogus and Fraudulent | Pre-adhesive Covers | Locals and Private Posts | Express Companies | Collected Works
TI  - U.S. postmarks and cancellations: The Philatelic Foundation Seminar series. Textbook no. 3. U.S. postmarks and cancellations
PY  - 1992///
CY  - New York
PB  - The Philatelic Foundation
KW  - Trepel, Scott
ER  -