1974 The 100th Anniversary of the Universal Postal Union (UPU)
1974 The 100th Anniversary of the Universal Postal Union (UPU)
Europe
1974 The 100th Anniversary of the Universal Postal Union (UPU)
1974 The 100th Anniversary of the Universal Postal Union (UPU)
1974 The 50th Anniversary of the 1924 Revolution
1974 The 50th Anniversary of the 1924 Revolution
1974 The 30th Anniversary of the Congresses of Përmet
1974 The 30th Anniversary of the Congresses of Përmet