Panama, Colombia 1903, Registration, 20c blue on blue, manuscript "1485", used with Panama 1892 10c orange, two singles, tied by purple "Bocas del Toro, 13 Nov 1903" cds on buff cover to San Francisco Cal., reverse with magenta New Orleans (11.28) and purple San Francisco (12.3) backstamps; Chinese manuscript and handstamp docketing at right, Very Fine. Scott No. Colombia F17 + 18 (2)  Estimate $300 - 400. During the month after Independence, Colombian stamps were used without overprinting in Bocas del Toro. This also occurred in other small towns, but no registered covers from them have been recorded. $0 (Image)