Lot
2637 
Panama, Colombia 1903-04, Registration, "10" on 20c Blue on Blue, red manuscript revalue and manuscript "855" number, used with two Panama 1903-04 10c yellow singles uncancelled on reverse of Kee correspondence 1904 cover to San Francisco Cal., purple Mobile (4.12) and San Francisco (4.18) backstamps, Mobile exchange label (FX-MO1) affixed, Very Fine. Scott No. Colombia F17 + Panama 79 Estimate $300 - 400.
Realized: $400