#CZCO21941 10c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, orange
$3.00- $16.50 #CZCO31941 15c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, blue
$2.85- $20.00 #CZCO41941 20c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, red violet
$6.00- $26.50 #CZCO51942 30c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, rose lake
$7.00- $40.00 #CZCO61941 40c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, yellow
$10.50- $40.00 #CZCO71941 $1 blk, ovprnt type I
$15.00- $35.00 #CZO41941 10c Canal Zone Official - type 1, orange
$2.95- $14.00 #CZO21941 3c Canal Zone Official - type 1, deep violet
$1.75- $8.50 #CZO11941 1c Canal Zone Official, - type 1, yellow green
$1.15- $6.50 #CZCO141947 6c Canal Zone Airmail - Gaillard Cut, "PANAMA CANAL" overprint, type I, yellow brown
$7.00- $20.00 #CZO51941 15c Canal Zone Official - type 1, gray black
$3.25- $27.50 #CZC531976 35c Canal Zone Airmail - Seal & Jet, salmon & black
$2.75- $4.50 #CZO61941 20c Canal Zone Official - type 1, olive brown
$4.00- $30.00 #CZJ231930 5c on 5c bl, ovprnt
$4.25- $105.00 #CZC61949 4c Canal Zone Airmail - Gaillard Cut, red violet
$2.00- $3.50 #CZ1101937 14c bl, Sibert, flat, unwmk.
$2.25- $30.00 #CZC451965 20c Canal Zone Airmail - Seal and Jet, lilac & black
$1.25- $13.50 #CZC441965 15c Canal Zone Airmail, Seal and Jet, blue & black
$1.00- $17.50 #CZJ211930 1c on 5c Canal Zone Postage Due - overprint, blue
$3.00- $65.00 #CZC511976 22c Canal Zone Airmail - Seal and Jet, violet & black
$3.00- $22.50