National Philatelic Museum
Vatican Marian Year Philatelic Exhibition : September 22-November 5, 1954, under the patronage of His Eminence Francis Cardinal Spellman in cooperation with the Vatican City Postal Administration, National Philatelic Museum, to commemorate the twenty-fifth anniversary of the first postage stamps of the State of the Vatican City and to philatelically mark the Marian Year of 1954 proclaimed by His Holiness, Pope Pius XII on the centenary of the Dogma of the Immaculate Conception.. - Philadelphia : National Philatelic Museum, [1954] - Official bulletin / National Philatelic Museum ; v. 7, no. 1 .
Cover title: Vatican.
Postage stamps--Vatican
Vatican
Christianity on postage stamps
Vatican Marian Year Philatelic Exhibition : September 22-November 5, 1954, under the patronage of His Eminence Francis Cardinal Spellman in cooperation with the Vatican City Postal Administration, National Philatelic Museum, to commemorate the twenty-fifth anniversary of the first postage stamps of the State of the Vatican City and to philatelically mark the Marian Year of 1954 proclaimed by His Holiness, Pope Pius XII on the centenary of the Dogma of the Immaculate Conception.. - Philadelphia : National Philatelic Museum, [1954] - Official bulletin / National Philatelic Museum ; v. 7, no. 1 .
Cover title: Vatican.
Postage stamps--Vatican
Vatican
Christianity on postage stamps