Panama, 1903, Registration, 10c on 20c blue with Second Panama Registry Overprint, blue "3063" handstamp, used with 20c violet with Third Panama Overprint and 10c yellow with Fourth Panama Overprint, tied by "Panama, 21 Mar 1904" duplex on cover to Cartagena; blue Mar. 28th arrival backstamp; small edge faults, extra gum around F11, prepaid for the triple rate (30-45 grams)., Fine. Scott No. Panama F11 + 73, 79  Estimate $400 - 600. THIS IS THE EARLIEST RECORDED USE OF THE PANAMA F10 REGISTRATION STAMP. Early in March, a new "Panama" handstamp was prepared to overprint the registration stamps creating Scott F10 and F11. Two different handstamps were used to surcharge the stamps, the same as the one used on F8 and F9, and then a later one measuring 4.0x4.0mm. $0 (Image)

Panama, 1903, Registration, 10c on 20c blue with Second Panama Registry Overprint, blue "7332" handstamp, used on cover with Panama A.R. 5c blue (H4), 1903 2c rose (2) with Second Panama Overprint, and 1904 1c green and 5c blue with Third Panama Overprint, stamps tied by "Panama, 1 Jul 1904" duplexes on cover with printed address to Paris, France, "Registered" straightline at top left, New York (7.13) transit backstamp and New York registry exchange label, Paris (7.22) arrival backstamp, Very Fine. Scott No. Panama F11 + H4, 72, 76, 78  Estimate $300 - 400. $0 (Image)