1862 50c red error of transfer, instead of 20c, type II (smaller "0"), error occurred in the fourth or fifth horizontal rows of the sheet, marginal example from the left of sheet, touched at base, otherwise good to large margins, cancelled by "MEDELLIN./FRANCA." oval hs in blue, closed tear at base, small thin spot in margin and vertical soiling spot, still though a desirable one of just three marginal examples of this very significant error of classic Colombia; cert. Estudio 20 (Solari, Imbelloni, Jacubowicz); (Yvert 22a, €10,000). (Image)

1920 CCNA 0.10$ (pilot & airplane) green in block of 6 (showing both types), 0.10$ (2 designs) brownish-red in tête-bêche pair, 3 se-tenant pairs and 2 singles, all unused as issued, very fine; Yv 11, 13, 14 € 3'500++; Mi 10, 15, 16 €1'020 for loose singles, specialist group. (Image)

1921-23 60c orange perf. 11 1/2 in 3 MNH sheetlets of 25, Mi no.16 for MNH € 15000, Yv for hinged € 8250. (Image)