Liberia, 1972-73, 2¢ Benson, Diagonal Bisect. Collection of 27 locally addressed covers between September 2, 1972 and April 10, 1973 each bearing the 2¢ bisect and additional 2¢ Benson single during a shortage of 1¢-5¢ stamps and air lettersheets, several later covers with "No 1¢ 3¢ stamps on P.O." endorsement, includes contemporary 1972 photos at the Post Office counter bearing a no stamps notice, Very Fine, a scarce group. Scott No. 435 var.  Estimate $400 - 600. $0 (Image)