Lot
636 
Liberia, 1892, 1¢//32¢ Officials, additional "O.S." overprints, the complete set of 8 values, o.g., hinge remnants, rich colors, an F.-V.F. set, rare with only one sheet of each printed (von Saleski #O1a-O3a, O5a-O9a); each signed Bloch, with 1983 Friedl certificate. Scott No. O1-O3, O5-O9 vars. Estimate $400 - 600.