Exponet Code: 0001:
CZECHOSLOVAKIA: DOUBLE POSTCARDS IN POSTAL USE FROM 1918 TO 1939
http://www.japhila.cz/hof/0001/index0001a.htm
Class for Postal Stationery
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Exponet Code: 0350:
CZECHOSLOVAKIA: POSTAL STATIONERY 1945 - 46
http://www.japhila.cz/hof/0350/index0350a.htm
Class for Postal Stationery
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Exponet Code: 0607:
AUSTRALIA 1850 - 1911
http://www.japhila.cz/hof/0607/index0607a.htm
Class for Traditional Philately
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Links:
- http://expo-net.blogspot.com/2009/03/czechoslovakia-double-postcards-in.html
- http://www.japhila.cz/pdf/NAPE_critique_cernik.pdf
- http://www.japhila.cz/pdf/The_Compulatelist102006.pdf
- http://www.pac-auction.com/
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