TY  - BOOK
AU  - Hahn, Calvet
TI  - Postal history primer
PY  - 1975///
CY  - New York
PB  - H & H Marketing
KW  - Postal History | Pre-adhesive Covers | Postal Markings | Fee Paid Mail | Covers | Collecting -- Guides and Handbooks | Buying, Exchanging, and Selling | Auctions | Investment and Speculation | Condition and Descriptions | Prices and Values | Rare Issues and Covers | Forgeries and Counterfeits | Bogus and Forged | Bogus and Fraudulent | Expertizing
ER  -