Canal Zone, 1904, 1¢-10¢ overprint issue complete. Tied on cover to Panama by "La Boca, Canal Zone, Dec 8, 1904" machine cancels, this cover was sent as a 'farewell' to United States stamps used in the Canal Zone, as these stamps were replaced three days later under the Taft Agreement; light cover fold, F.-V.F. Scott No. 4-8  Estimate $300 - 400. $0 (Image)

Canal Zone, 1904, 1¢-10¢ overprint issue complete. 8¢ with s.e. at top, tied on unaddressed Isthmian Canal Commission O.B. cover by seven bar "Ancon, Canal Zone Dic 11, 1904 " last day of usage favor cancellations, light vertical cover crease at the left, Very Fine. Scott No. 4-8  Estimate $200 - 300. $0 (Image)

Canal Zone, 1904, 1¢-10¢ overprint issue complete. Tied by magenta bar with matching "Ancon, Canal Zone Dec 5, 1904" cds on large cover to Panama; cover creases, F.-V.F. Scott No. 4-8  Estimate $200 - 300. $0 (Image)