Czechoslovakia
Äeskoslovensko
1st September 1949
Air mail set of 1948 (Michel 493-500) overprinted with new values.
Catalogue numbers:Michel CS 586-593
Stamp Number CS C28-C35
Yvert et Tellier CS PA28-PA35
Stanley Gibbons CS 559-566
AFA number CS 431-438
POFIS CS L25-L32
Stamp Number CS C28-C35
Yvert et Tellier CS PA28-PA35
Stanley Gibbons CS 559-566
AFA number CS 431-438
POFIS CS L25-L32
