#CZC51929 20c on 2c Canal Zone Airmail - Goethals, carmine
$2.50- $10.00 #CZC111931 20c Canal Zone Airmail - Gaillard Cut, red violet
$0.75- $6.00 #CZC141931 $1 Canal Zone Airmail - Gaillard Cut, black
$4.00- $28.00 #CZC291958 15c Canal Zone Airmail - Globe & Wing, brown violet
$5.25- $9.75 #CZC241951 21c Canal Zone Airmail - Globe & Wing, light blue
$6.00- $18.00 #CZC131931 40c Canal Zone Airmail - Gaillard Cut, yellow
$1.50- $55.00 #CZC31929 25c on 2c Canal Zone Airmail - Goethals, carmine
$3.00- $6.00 #CZC41929 10c on 50c Canal Zone Airmail - Blackburn, lilac
$9.00- $16.00 #CZC91931 10c Canal Zone Airmails - Gaillard Cut, yellow brown
$0.75- $2.50