Registered letter Reykjavik 11 May 1940 to San Francisco, USA. NEW YORK FAIR '1940' overprint 20, 35 and 45 aur cancelled on first day of use and 5 aur brown Cod, cancelled with 'REYKJAVIK 11.V.1940' and registration label 'R / Reykjavik / Nr. 790', British censor re-sealing label 'PC 90 OPENED BY EXAMINER 5063' and US censor 'PASSED FREE / NO. 16 / U.S. CUSTOMS S.F. CAL.'