Czechoslovakia 1974 Centenary of Universal Postal Union From Stamps of the World Issue Date : 9th October 1974 Designed by : F. Hudecek Printed by : Print Process : Recess & Photogravure Perforations : 11.5 x 12 Size: 37 x 14 mm Categories: CzechoslovakiaUPU1974CentenariesPostal Services