Other countries–Stamps of Slovenian interest

Kingdom of Yugoslavia

,303, 309 (3), 354 (2), 355 (2),Two parcel cards, franked 8 Din. Each, sent from Novi Pazar and Koprivnica (both on July 22, 1938) to Novi Sad (23.VII.38), each franked, among others, with two commemorative stamps from "Airmail exhibition in Belgrade" set. Very rare non philatelic use, very good quality.