75th Anniversary Universal Postal Union Block of Stamps

FIRST DAY of is ISSUE Art Craft 10TH ANNIVERSARY Ligh HEADQUARTERS OF THE UNIVERSAL POSTAL UNION AT BERNE, SWITZERLAND 75th ANNIVERSARY UNIVERSAL POSTAL UNION NE ORLE NOV 18 9-AM- 1949 LA. 10¢ POST OFFICE OF PANSAMA U.S.POSTAGE AIR MAUL FIRS COCCO. THE UNIVERSAL POSTAL UNION 1874-1949 10¢ THE UNIVERSAL POSTAL UNJON 1874-1949 POST OFFICE DEPARTMEN U.S.POSTAGE AIR MAIL 10¢ THE UNIVERSAL POSTAL UNION 1874-1949 POST OFFICE DEPARTMENT 1.3.POSTAGE AIR MAIL ATIONES 10¢ UT THE UNIVERSAL POSTAL UNION 1874-1949 POST OFFICE DEPARTMENT U.S.POSTAGE AIR MAILI