Colombia, 1886, 10c orange, tied by purple circular grid cancel on cover to England, used with Registry 1889, 10c red on grayish with manuscript "151" number, matching purple "Cartagena, May 17 1890" oval postmark, purple New Orleans (6.2) transit, New York (6.6) backstamp and registry exchange label affixed, red London (6.15) transit and Brighton (6.16) arrival backstamp; small faults, F.-V.F. Scott No. 131 + F9  Estimate $200 - 300. $0 (Image)

Colombia, 1902, 2c black on rose, 10c black on pink, used with 1c red on yellow (162) on 5c red entire from Bogota Sep. 7th 1902 to Mashville Tenn., used with Registry 1902, 20c red brown (F13) on blue, Colon (10.4) transit, purple "Forwarded" staightline and readdressed to Beaumont Tex.; small faults, Fine. Scott No. 266 (2), 269  Estimate $200 - 300. $0 (Image)

Colombia, 1904, 5c blue, tied by "Recomendados, Bogota, 19 Nov, 1904" cds on cover to India, used with Registry 1904, 10c purple (F20) with manuscript "4723", tone spot, New York (12.21) transit and Baroda (1.21) arrival backstamps; reduced at right, F.-V.F., a scarce destination. Scott No. 317 + F20  Estimate $150 - 200. $0 (Image)

Colombia, 1919, 2c carmine rose, "1er Servicio Postal Aereo 6-18-19" overprint, sound single, on flown cover from Barranquilla to Puerto Colombia, cds cancels dated "Jun 18 1919"; usual light cover creases as per correspondence, still Very Fine and attractive, very rare with only 160 covers flown; signed Sanabria and Bloch. Scott No. C1; $1,700 for faulty off cover  Estimate $2,000 - 3,000. $0 (Image)