Lot 40557 – 1862 50c red error of transfer, instead of 20c, type II, used

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).