1891 1c black, surcharged "Congo Francais / 5c.", hinge remnants, part original gum, well-centered, very fine; with 2020 Sismondo certificate. (Sc. 2, $200) (Image)

Est. $75-100

1891, 5c on 15c blue, surcharge doubled, hinge remnants, part o.g., fresh color, an attractive example of this scarce variety, fine-very fine; with 2001 APEX certificate. (Sc. 3a, $725) (Image)

Est. $200-300

1891-2, 10c on 40c red on straw, surcharged in black, hinge remnant, part o.g., good color, nibbed perf at top, a rare and key stamp of the colony, fine; with 2001 APEX certificate. (Sc. 9, $2,750) (Image)

Est. $500-750