1892, Hippopotamus, perforated proof of $1 in yellow brown and black, miniature sheet of ten stamps, each one overprinted "Waterlow & Sons Ltd. Specimen", security punch at the bottom left corner, no gum as produced, VF

500.00

1892, Liberian Star, perforated proof of $2 in green, miniature sheet of ten stamps, each one overprinted "Waterlow & Sons Ltd. Specimen", security punch at the bottom left corner, no gum as produced, VF

500.00

1892, President Johnson, perforated proof of $6 in gray blue and black, miniature sheet of ten stamps, each one overprinted "Waterlow & Sons Ltd. Specimen", security punch at the bottom left corner, no gum as produced, VF

500.00

1903, Liberty, four perforated proof panes of 3c, colors: blue, orange brown, green and gray blue, no gum as produced, VF and rare assembly

1903, Liberty, three die proofs of 3c, colors: dark brown, green and violet, printed on india paper with thickened borders, approximate size 75x90mm, no gum as issued, VF

600.00

1936, Palm Tree, surcharged issue, complete set of three used on addressed First Day Cover, cancelled "Monrovia. 18.11.1936", stamp perforation soiling, still VF and scarce, C.v. $825 for used stamps off cover

400.00

1936, Waco Plane, 2c carmine and black, 3c violet and black, two tete-beche pairs imperforated between stamps, full OG, previously hinged, VF

100.00