Liberia 1958 Human Rights 5c perf proof of brown only on gummed paper (appears as missing blue) unmounted mint as SG 812
Liberia 1958 Human Rights 5c perf proof of brown only on gummed paper (appears as missing blue) unmounted mint as SG 812
Liberia 1958 Human Rights 5c perf proof of brown only on gummed paper (appears as missing blue) unmounted mint as SG 812