#CZJ221930 2c on 5c Canal Zone Postage Due - overprint, blue
$4.25- $105.00 #CZJ231930 5c on 5c bl, ovprnt
$4.25- $105.00 #CZJ241929 10c on 5c bl, ovprnt
$4.75- $105.00 #CZJ271932 5c Canal Zone Postage Due Seal, claret
$1.00- $1.75 #CZJ251932 1c Canal Zone Postage Due - flat, claret
$1.00- $8.95 #CZJ281932 10c Canal Zone Postage Due Seal, claret
$2.25- $3.75 #CZO11941 1c Canal Zone Official, - type 1, yellow green
$1.15- $6.50 #CZJ291941 15c Canal Zone Postage Due Seal, claret
$2.00- $3.75 #CZC131931 40c Canal Zone Airmail - Gaillard Cut, yellow
$1.50- $55.00 #CZJ261932 2c Canal Zone Postage Due Seal, claret
$1.00- $1.50 #CZ1201939 1c Canal Zone - Balboa-Before, Flat Plate Printing, unwatermarked, yellow green
$1.35- $29.00 #CZC91931 10c org, Gaillard Cut
$0.75- $2.50 #CZO21941 3c Canal Zone Official - type 1, deep violet
$1.75- $8.50 #CZC71931 5c yel grn, Gaillard Cut
$1.00- $8.00 #CZC101931 15c blue Gaillard
$0.75- $16.25 #CZC61949 4c Canal Zone Airmail - Gaillard Cut, red violet
$2.00- $3.50 #CZ221907 1c Canal Zone - Balboa, overprint down, green & black
$3.00- $90.00 #CZJ181925 1c Canal Zone Postage Due - overprint, type B, carmine rose
$4.75- $17.25 #CZ1471955 3c Canal Zone - Early Railroad Scene, violet
$1.25- $12.50 #CZC161939 10c dl vio, Planes & Map
$5.00- $8.25