Stamps Year 1968

carlos martin
carlos martin
president ludvik svoboda
joaquín iturrioz
president ludvik svoboda
joaquín iturrioz
II international biennial of advertisements in Warsaw, a dove
joaquín iturrioz
Ostrava
Pedro Romero
Gottwald
Pedro Romero
R.O.U. flag signal
Mario Argenta
first national flag in 1777
joaquín iturrioz
airmail
joaquín iturrioz