D)1974, AUSTRIA, CORRESPONDENCE SENT TO THE U.S.A, AIR MAIL, WITH STAMPS, TOURISM, BISCHOFSMÜTZE IM

D)1974, AUSTRIA, CORRESPONDENCE SENT TO THE U.S.A, AIR MAIL, WITH STAMPS, TOURISM, BISCHOFSMÜTZE IM DACHSTEINMASSIV, SALZBURG, CENTENARY OF THE BIRTH OF THE COMPOSER ARNOLD SCHÖNBERG, 1874-1951, XF