Tanzania 1986 Railways 30s (as SG 433) imperf proof pair with the unissued 'AMERIPEX '86' opt in silver inverted (some ink smudging) unmounted mint
Tanzania 1986 Railways 30s (as SG 433) imperf proof pair with the unissued 'AMERIPEX '86' opt in silver inverted (some ink smudging) unmounted mint