Panama, 1902, Registration, 20c on 10c brown red, local non-serif overprint, purple "20" non-serif overprint handstamp, manuscript "524" number, used with Panama 1895 20c violet, two singles tied by purple "Bocas del Toro, 17 Jul 1902" cds on pink cover to San Francisco Cal., blue Mobile (7.22) transit backstamp with Mobile registry label (FX-MO1) affixed, San Francisco (7.28) arrival backstamp, Chinese docketing and handstamp, Very Fine. Scott No. Panama F5 var. + 19 (2)  Estimate $1,000 - 1,500. ONE OF ONLY TWO RECORDED USAGES OF THIS BOCAS DEL TORO LOCAL NON-SERIF SURCHARGE REGISTRY STAMP. This cover shows that Bocas del Toro used registry stamps with a local surcharge and are not currently listed in the catalogs. Both usages showing this surcharge were sent on July 17th 1902. $0 (Image)

Panama, 1902, Registration, 20c on 10c brown red, local serif overprint, violet black "20" serif overprint handstamp, manuscript "386" number, used with Panama 1895 20c violet, block of four, faulty at top, tied by four strikes of purple "Bocas del Toro, 11 Abr 1903" cds on large cover to San Francisco Cal., endorsed "Via Mobile", blue Mobile (4.17) transit backstamp with Mobile registry label (FX-MO1) affixed, San Francisco (4.25) arrival backstamp; edge wear and some extra glue, F.-V.F. Scott No. Panama F5 var. + 19 (4)  Estimate $1,000 - 1,500. THE ONLY RECORDED USAGE OF THIS BOCAS DEL TORO SERIF LOCAL SURCHARGE REGISTRY STAMP. $0 (Image)