Liberia, 1881, 3¢ Black, Irregular Block of 4 and Strip of 3 (positions 3-4, 4-5 & 8-10), all tied by "Monrovia, Liberia, 11.Aug 93" rimless cds's in cover addressed to Dublin, Ireland, no postmarks on reverse, Very Fine, quite possibly the largest multiple on cover known. Scott No. 21  Estimate $300 - 400. $0 (Image)