Colombia 1935 #434 2p dull green and grey, f-vf, mint hinged. Fresh and attractive. Scott- $125. (Image 1) (Image 2)

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Est. US$15-25

Colombia 1948 #C149 15c Waterlow & Sons Colour Trial Specimen VF MNH, overprinted diagonally in black, and hole punched LL. #C149 is regular issue is supposed is to deep blue. Only 100 known to exist. Very rare and a must for any Colombia varieties collector. (Image 1) (Image 2)

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Est. US$50-60

Colombia Waterlow colour proof stamps. Only 100 of each stamp is known to exist. 1932 #416 20c colour trial (supposed to be dark blue), overprint diagonal and hole punched LL. 1937 #446 10c colour trial (supposed to be Carmine Rose), overprint diagonal and hole punched LL. Colombia-Antioquia 1899 #127 pair imperf in between colour trial (supposed to be slate brown) VERY rare. Fresh, all ng. A must for the Colombia varieties collector, as these will be missing from practically every collection. (Image 1) (Image 2)

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Est. US$150-175