Puerto Rico
Porto Rico, Michel USA 300, Cover
1938. 10 C. AIR MAIL NEW YORK AUG 8 1938. to PUERTO RICO.
Porto Rico, Michel USA 549, Cover
1947. 5 C. AIR MAIL WILKINSBURG DEC 19 1947. to PUERTO RICO.
Porto Rico, Michel USA 502, Cover
1942. 10 C. AIR MAIL SOUTH CHARLESTON APR 11 1942. to PUERTO RICO.
Porto Rico, Michel USA 572, Cover
1948. 5 C. AIR MAIL CHARLOTTE NOV 2 1948. to PUERTO RICO.
Porto Rico, Michel USA 300, Cover
1940. 10 C. AIR MAIL YPSILANT JAN 25 1940. to PUERTO RICO.
Porto Rico, Michel USA 502, Cover
1947. 10 C. AIR MAIL INGLEWOOD FEB 14 1947. to PUERTO RICO.
Porto Rico, Michel USA 572, Cover
1949. 5 C. AIR MAIL CHANUTE NOV 13 1949. to PUERTO RICO.
Porto Rico, Michel USA 502, Cover
1942. 10 C. AIR MAIL YPSILANTI MAY 5 1942. to PUERTO RICO.
Porto Rico, Michel USA 549, Cover
1947. 5 C. AIR MAIL MARION OHIO DEC 10 1947. to PUERTO RICO.
Porto Rico, Michel USA 505, Cover
1947. 30 C. AIR MAIL MARION DEC 10 1947. to PUERTO RICO.
Porto Rico, Michel USA 561, Cover
1948. 15 C. AIR MAIL NEW YORK AUG 20 1948. to PUERTO RICO.
Porto Rico, Michel USA 300, Cover
1940. 10 C. AIR MAIL YPSILANT OCT 6 1940. to PUERTO RICO.