Panama, Michel 78, Brev
1940. CANAL ZONE. Fine FDC WILLIAMSON 30 CENTS cancelled first day of issue BALBOA HEIGHTS CANAL ZONE APR 15 1940.

Panama, Michel 85, Brev
1940. CANAL ZONE. Fine AIR MAIL cover to Germany with 5 CENTS AIR MAIL sender HAPAG-LLOYD PANAMA CANAL AGENCY CRISTOBAL C.Z.. Cancelled at arrival in Germany HAMBURG 2.1.40. Unusual without censor.

Panama, Michel 88, Brev
1942. CANAL ZONE. Censored cover (cut at right) to USA with 15 CENTS AIR MAIL cancelled MARGARITA C.Z. JAN 8 1942 and with censor cancel RELEASED BY POST OFFICE INSPECTOR ON AUTHORITY OF CENSORSHIP OFFICER. Unusual censor cancel.

Panama, Michel 87+, Brev
1942. CANAL ZONE. Censored registered AIR MAIL cover (tears at right) to USA with 10 CENTS AIR MAIL + 20 CENTS ROUSSEAU cancelled reverse seven times including BALBOA C.Z. APR 2 1945 and with censor tape EXAMINED BY 30551. Late censored cover.

Panama, Michel 88, Brev
1942. CANAL ZONE. Censored registered AIR MAIL cover to USA with 15 CENTS AIR MAIL cancelled CRISTOBAL CANAL ZONE JAN 24 1945 and with censor tape EXAMINED BY 30638. Fine censored cover.

Panama, Michel 84, Brev
1949. CANAL ZONE. Fine FDC AIR MAIL 4 CENTS in pair cancelled first day of issue BALBOA HEIGHTS CANAL ZONE JAN 3 1949.

Panama, Michel 72+, Brev
1946. CANAL ZONE. Very interesting cover to Sweden with 5 different stamps including 5 CENTS cancelled BALBOA JUL 1946 and AIR MAIL TO AND IN U.S. ONLY. Interesting air mail cancel. Reverse arrival cancel from Sweden: MALMÖ ANK. 6.8.46.

Panama, Michel 91, Brev
1946. CANAL ZONE. Cover (tear) with AIR MAIL 40 CENTS to Sweden cancelled with slogan cancel CRISTOBAL CANAL ZONE APR 19 1946 THE PANAMA CANAL SPEEDS WORLD COMMERCE. Sender envelope JOHNSON LINE SWEDEN.

Panama, Michel 122, Brev
1948. CANAL ZONE. Cover VIA AIR MAIL to USA with 5 CENTS JOHN F. STEVENS cancelled BALBOA AUG 14 1948.

Panama, Michel 122, Brev
1946. CANAL ZONE. Cover VIA AIR MAIL to USA with pair 5 CENTS JOHN F. STEVENS cancelled BALBOA MAY 2 1946 THE PANAMA CANAL SHORTENS SEA ROUTES.

Panama, Michel 89, Brev
1948. CANAL ZONE. Cover with AIR MAIL 20 CENTS to Ry St, Jylland, Danmarm cancelled with slogan cancel CRISTOBAL CANAL ZONE JUN 22 1948 THE PANAMA CANAL SPEEDS WORLD COMMERCE. Sender Ass H. Knudsen, m/s Vedby pt. Panama Canal.

Panama, Michel 124, Brev
1948. CANAL ZONE. Fine FDC 10 CENTS CANAL ZONE BIOLOGICAL AREA with map cancelled first day of issue BALBOA HEIGHTS CANAL ZONE APR 17 1948.

Panama, Michel 147+, Brev
1957. CANAL ZONE. AIR MAIL cover to Denmark with 3 ex 3 CENTS GOETHALS + 2 ex 6 CENTS AIR MAIL cancelled CRISTOBAL FEB 14 1957. Sender Steward Benn Djurskov m/s Kungsholm et ste i stillehavet.

Panama, Michel 147+, Brev
1967. CANAL ZONE. AIR MAIL cover to Denmark with pair 5 Cents Stevens, 6 c air mail + 4 c ADMINISTRATION BUILDING. Sender envelope THE EAST ASIATIC COMPANY, LTD.

Panama, Michel 162+, Brev
1967. CANAL ZONE. AIR MAIL cover to Denmark with 5 Cents Stevens, 15 c air mail. Sender envelope THE EAST ASIATIC COMPANY, LTD. Cancelled CRISTOBAL CANAL ZONE FEB 14 1967.

Panama, Michel 96, Stemplet postkort med frimærke
1935. CANAL ZONE. Fine postcard (HONEY COME DOWN, I'M WAITING FOR YOU IN PANAMA) with 3 CENTS GOETHALS cancelled CRISTOBAL CANAL ZONE DEC 30 1935 to Sweden.

Panama, Michel 70, Stemplet postkort med frimærke
1932. CANAL ZONE. Fine postcard (A PAPAYA TREE LOADED WITH FRUIT, PANAMA CITY) with 3-stripe 1 CENT GORGAS cancelled CRISTOBAL CANAL ZONE OCT 30 1932 to Sweden.

Michel 25 I +, Brev
1911. CANAL ZONE. Very unusual registered cover (cut at right) to Finland with 1 CENT + 2 ex 2 CENTS overprinted CANAL ZONE upwards pair 8 CENTS with the overprint CANAL ZONE downwards cancelled reverse GATUN C Z REGISTERED MAY 1 1911 and transit NEW YORK 5-11 1911. Very unusual destination.

Michel 55, Brev
1929. CANAL ZONE. Fine cover with 1 CENT FRANKLIN overprinted CANAL ZONE cancelled FORT DAVIS C. Z. JUL 1

Michel 55, Brev
1929. CANAL ZONE. Fine cover with pair 1 CENT FRANKLIN overprinted CANAL ZONE cancelled BALBOA HEIGHTS CANAL ZONE JAN 11 1928.

Michel 55, Stemplet postkort med frimærke
1933. CANAL ZONE. Fine postcard (S.S. CRISTOBAL IN NORTH END OF GAILLARD CUT, PANAMA CANAL) with 1 CENT FRANKLIN overprinted CANAL ZONE cancelled BALBOA.