Czechoslovakia
Československo
9th May 1968
Beautiful set issued as part of the "Prague Castle" - Pražský Hrad series.
Stamps depict:
Catalogue numbers:
Michel CS 1789-1790
Stamp Number CS 1537-1538
Yvert et Tellier CS 1639-1640
Stanley Gibbons CS 1740-1741
AFA number CS 1634-1635
POFIS CS 1679-1680