#CZCO4 1941 20c Canal Zone Airmail,Gaillard Cut, "PANAMA CANAL" overprint, type I, red violet MSRP: Was: Now: $6.00 - $29.00
#CZCO9 1941 10c Canal Zone Airmail,Gaillard Cut, "PANAMA CANAL" overprint, type II, orange MSRP: Was: Now: $295.00 - $450.00
#CZCO8 1941 5c Canal Zone Airmail,Gaillard Cut, "PANAMA CANAL" overprint type II, yellow green MSRP: Was: Now: $165.00 - $250.00
#CZCO11 1941 30c Canal Zone Airmail,Gaillard Cut, "PANAMA CANAL" overprint, type II, rose lake MSRP: Was: Now: $79.00 - $115.00
#CZCO12 1941 40c Canal Zone Airmail,Gaillard Cut, "PANAMA CANAL" overprint, type II, yellow MSRP: Was: Now: $175.00 - $250.00