Diplomatic Penalty Mail

American diplomatic mail free cover
FREE FRANK DIPLOMATIC MAIL FROM FOREIGN COUNTRY, MAY 7, 1938. This cover was mailed from the American Embassy in Rio de Janeiro.
Diplomatic Mail cover
FOREIGN EMBASSY FREE FRANK USE, 1936. Treaties covering diplomatic mail allowed foreign diplomats to send mail free. This cover is from the Argentine Embassy.
Diplomatic Penalty Mail cover
PAN AMERICAN UNION USE OF PENALTY MAIL, FEBRUARY 11, 1942. Originally addressed to Washington, DC, the cover was later forwarded to McLean, Virginia.
Justice Jackson served as US Attorney General (1940-1941) and Supreme Court Justice (1941-1954).