Liberia, 1889, 8¢ Blue, Imperforate. Large margins all around, tied by central "Robertsport, Liberia, 20. Jan. 1918" cds (CP.18A) on cover to Lake Forest, Ill., small part of receiving postmark on reverse; cover missing most of backflap, F.-V.F., a very rare usage of the 1889, 8¢ imperforate. Scott No. 32a  Estimate $150 - 200. $0 (Image)