Set of 4 Poland 1964 United Workers Party 4th Congress Stamps Used SC #1240-43
Set of four Poland stamps commemorating the 4th Congress of the Polish United Workers’ Party in Warsaw, 1964.
The stamps feature Polish text including “POLSKA 60 GR,” “IV ZJAZD PZPR,” and “WARSZAWA 1964.”
Good pre-owned condition; these stamps are used.