Lot 2930 S
Liberia, 1921, 1¢-$5 Official Pictorials Complete, "Specimen" Overprints. British P.O. specimen handstamps and additional blue crayon, without gum, rich color, some flaws including thins and 3¢ repaired at right, F.-V.F. appearance, a very rare specimen set.Scott No. O113S-O126S Estimate $200 - 300.
Realized: $210
Lot 2931 S
Liberia, 1921, 1¢-$5 "1921" Overprint Official Pictorials Complete, "Specimen" Overprints. British P.O. specimen handstamps, without gum, 1¢ & 20¢ with inverted "1921" overprints, usual small flaws, F.-V.F. appearance, very rare with only 3 such sets are known.Scott No. O127S-O140S Estimate $300 - 400.
Realized: $250
Lot
2932 
Liberia, 1923, 75¢ Gray & Green Official, "O.S. " Omitted. In combination with 1923, $2 red lilac & vermilion Official, "O.S." Omitted and Imperforate on cover to Berlin, Germany, tied by clear "Monrovia, Liberia, 16.V 24" cds's with matching "R" in oval handstamp alongside, transit and receiving backstamps, Extremely Fine, an extremely rare and possibly unique combination, with the 75¢ "O.S." omitted variety mention in Cockrill Booklet No. 25 (page 35) however the $2 variety is completely unlisted by Cockrill or von Saleski. Scott No. O151+O153 vars. Estimate $400 - 600.
Realized: $280
Lot
2933
Liberia, 1928, 1¢ Green Official, Block of 12. Tied by "Robertsport, Liberia, 11.I.29" cds's on registered cover to Maisach, Germany, reverse additionally franked with 1928, 1¢ green, strip of 3 over two Teneriffe propaganda labels, various transit postmarks including Pujehun and Freetown, Very Fine. Scott No. O158+230 Estimate $100 - 150.
Realized: $105