Panama, 1903-04, Registration, 20c blue on blue with First Panama Overprint, rose overprint, blue "7765" handstamp, used with 20c violet vertical pair with First Panama Overprint, tied by blue black "Panama, 10 Nov 1903" duplex on cover to New York City, magenta New York (11.25) arrival backstamps; some edge tears, F.-V.F. and scarce, a very early use after Independence. Scott No. Panama F7 + 55  Estimate $300 - 400. $0 (Image)

Panama, 1903-04, Registration, 20c blue on blue with Bocas del Toro overprint, manuscript "1604", used with Panama 1903-04 20c violet with Bocas del Toro overprint, tied by purple "Bocas del Toro, 10 Dic 1903" cds on pink cover to San Francisco Cal., endorsed "Via New Orleans", magenta New Orleans (12.18) transit backstamp, two blue registry handstamp numbers, Very Fine, ex-Helme. Scott No. Panama F21 + 155  Estimate $1,000 - 1,500. THIS IS THE EARLIEST RECORDED USE OF ANY BOCAS DEL TORO OVERPRINT ISSUE. The first Bocas del Toro handstamp was applied to Colombia F17 creating Panama F21. Note that the registry stamp was not revalued, although the rate had been reduced to 10 centavos. $0 (Image)