Panama, 1900, Registration, 10c black on light blue, blue "2204" handstamp, used with Panama 1892 2c rose (16), tied by "Panama, 16 Mar 1900" duplex on blue local cover, reverse with "Recomendados, Panama, 16 Mar 1900" cds; reduced at left, Very Fine. Scott No. Panama F3 + 16  Estimate $750 - 1,000. THE EARLIEST RECORDED USE OF PANAMA F3 ON THE FIRST DAY OF SALE MARCH 16TH 1900. The provisional registered stamps were first place in use on March 16th 1900. $0 (Image)

Panama, 1900, Registration, 10c black on light blue, blue "2936" handstamp used with 1892 2c rose, strip of five, tied by "Panama, 26 Mar 1900" cds on buff Luria correspondence cover to Germany, New York (4.6) transit backstamp and registry exchange label affixed, Hamburg (4.16) arrival backstamp; small bit of flap missing, F.-V.F., ex-Helme. Scott No. Panama F3 + 16 (5)  Estimate $150 - 200. $0 (Image)

Panama, 1900, Registration, 10c black on light blue, blue "3663" handstamp, used with Panama 1c-1p (15-21) complete set, tied by multiple strikes of "Panama, 3 Abr 1900" duplex, endorsed "Via New York, reverse with New York (4.12) transit and New York registry exchange label, Lyon (4.23) arrival backstamp; cover tears at top left, otherwise Very Fine. Scott No. Panama F3 + 15-21  Estimate $1,000 - 1,500. ONE OF ONLY TWO RECORDED COMPLETE SETS OF 1892-96 ON REGISTERED COVER TO FRANCE. $0 (Image)

Panama, 1900, Registration, 10c black on light blue, blue "6215" handstamp, used with Colombia A.R. 5c vermilion (H2) and Panama 1895 20c violet (19), tied by "Panama, 16 Jul 1900" duplex on cover to Germany, red crayon "57" and blue crayon "2079" markings, New York (7.26) transit backstamp; some extra glue, Very Fine and rare A.R. registered F3 use. Scott No. Panama F3 + 19  Estimate $750 - 1,000. $0 (Image)

Panama, 1900, Registration, 10c black on light blue, manuscript "442" number, used with 1892 10c yellow (18) tied by "Panama, 19 Ene 1901" duplex on cover to Budapest, Hungary, red crayon "8", New York (2.1) backstamp and registry exchange label affixed, Budapest (2.13, 2.14) arrival backstamps, forwarded upon arrival locally, large crayon "10" on reverse, Very Fine, a scarce destination, ex-Helme. Scott No. Panama F3 + 18  Estimate $300 - 400. $0 (Image)