| Image | Description | Stock Code |
|---|
 | 1865 : E.L. from Pasto (16 Jun) to Bogota with clear to good margined 1865 10c violet with manuscript "Pasto" cancel. Fine £240 | CO/16370/C |
 | 1869 British PO: cover from Barranquilla to New York with GB 4d vermilion pl.11 tied by barred oval "C56" with fine CARTHAGENA British PO double arc cds on the reverse. Small s/line COLON transit cds (3 Aug) and "N.Y.STEAMSHIP/10" arrival cds £480 | CO/15612/C |
 | 1879 Accountancy mark: wrapper front to Montpelier in France with SAVANILLA/BARRANQUILLA British PO cds with fine boxed "1FR PER KILO" accountancy mark alongside. Rare £300 | CO/14205/C |
 | 1880 Accountancy mark: small opened out wrapper sent to Montpelier in France with unframed "T" and SAVANILLA/BARRAQUILLA British PO cds plus very fine boxed "1FR92C PER KILO" accountancy mark and handstruck "40c" rating in red. Rare £720 | CO/16369/C |
 | 1880 Postage due: cover from Bogota to Louisville, Kentucky with good margined 1876 10c brown "Liberty" tied by oval Bogota with New York "DUE/5/CENTS' marking alongside and added 5c postage due SOLD | CO/16372/C |
 | 1900 Civil War: cover from Cartagena to St. Louis, Missouri with horizontal strip x5 1899 2c black on buff with wavy line controls tied by fine cds duplex cancels. "VIA NASHV. & ST.L. RPO" marking on the reverse £120 | CO/16368/C |
 | 1901 : Corner card cover from the "Columbian-United States Mining Company" in Barranquilla to Chicago with 1898 10c tied by oval "12" New York receiver with two-line "PAQUEBOT/(N.Y.2D DIV.)" alongside. Large circular Civil War Barranquilla censor marking on the reverse £90 | CO/16365/C |
 | 1901 Tumaco: registered cover from Tumaco to Mexico City with small "Pago $0.10" perforated Jimenez provisional issue plus imperf 10c Tumaco regn. label both tied by cds duplex. Panama transit and arrival b/stamps. Fine and scarce £900 | CO/16371/C |
 | 1918 Multiple advertising: regd. cover from Sincelejo to New York with 1917 5c and 10c regn. stamp with, on the reverse, multiple advertising incl. Tobacco, Liquor, Dentist, etc. Added US censor label on arrival SOLD | CO/16367/C |
 | 1931 Ribon: cover from Buenaventura to Cali with 1931 6c red Ribon Carrier stamp plus 3 x 1c National issues tied by CONDUCTO RIBON cds with additional strikes and boxed cachet alongside £120 | CO/16366/C |
