TY  - BOOK
AU  - Karasek, Jan
AU  - Hefer, Fred
TI  -  Forgeries of Czechoslovak postage stamps [1918-1939]: Padelky ceskoslovenskych postovnich znamek [1918-1939]
PY  - 1985///
CY  - Fairfax, VA
PB  - Society for Czechoslovak Philately
KW  - Czechoslovakia (1918-1992) | 1918-1939 | Forgeries and Counterfeits | Postal Markings -- Bogus and Forged | Covers -- Bogus and Fraudulent | Collecting -- Identification | Experts | Production | Errors and Varieties | Postal Issues | Overprints and Surcharges
ER  -