Panama, 1904, 10c green, blue "9015" handstamp, used with 1c-10c 1904 Issue with Fourth Panama Overprints and 10c yellow (F14), all tied by "Panama, 8 Ago 1904" duplexes on cover to Hamburg, Germany, New York (3.17) and Hamburg (3.29) backstamps, Very Fine. Scott No. Panama F27 + 76-79  Estimate $300 - 400. THE EARLIEST RECORDED USE OF THE NEW PANAMA F27 REGISTRATION LABEL. Early in August 1904, the supply of Panama registration and A.R. stamps arrived from the American Bank Note Company in New York and were immediately used in Panama and shortly thereafter in other post offices. $0 (Image)

Panama, 1904, 10c green, blue "11828" handstamp, used with A.R. 5c blue and 10c yellow with Fourth Panama Overprint, tied by "Panama, 10 Oct 1904" duplex on cover to Havana, Cuba, New York (10.20) backstamp transit and registry exchange label affixed; reduced slightly at right, Very Fine. Scott No. Panama F27 + H22, 79  Estimate $200 - 300. $0 (Image)

Panama, 1904, 10c green, manuscript "1563", used with Late Fee 2½c lake and 10c yellow with 4th Panama Overprint, tied by two strikes of "Colon, 1 Mar 1905" duplex with flag on cover to England, New York (3.10) transit backstamp with registry exchange label, Buckhurst St. Hill (3.20) backstamp; small edge tear and some wear, F.-V.F., a scarce registered late fee use. Scott No. Panama F27 + I3, 79  Estimate $300 - 400. $0 (Image)

Panama, 1904, 10c green, manuscript "2671", used with 5c blue with A.R. purple handstamp, 1p lake with 3rd Panama Overprint, tied by bold purple "Colon, 2 Mar 1906" cds large blue cover to Germany, New York (3.12) transit backstamp and registry exchange label affixed, Very Fine, a scarce use of the 1p with 3rd Panama overprint from Colon. Scott No. Panama F27 + 78 w/A.R., 75  Estimate $500 - 750. This is the latest recorded use of Panama F27 on cover. The boxed "A.R., Colon, Panama" handstamp is the type used after March 31st when the use of special registration and A.R. stamps were discontinued. $0 (Image)