Liberia, 1910-17 Official Surcharge Issues on Cover. 15 covers; with 1910-12 surcharge issues with a interesting selection of combination covers including several registered, 1915-16 issues including #O76 & O78 on combination registered cover to Senegal, couple #O81 single frankings including 1921 registered to Germany, few #O87-O88 usages and a scarce 1917, 10¢ on 50¢ block on cover (#O92), includes a few unaddressed covers with canceled strips of the 1914 issues; condition varies, F.-V.F. overall. Scott No. O70//O96  Estimate $400 - 600. $0 (Image)