Liberia, 1942-44, 10¢-$1.40 Airmail Issue Complete, Master Die Proofs. In issued colors except 35¢ & $1.40 value in olive gray, on India mounted on brown card, with serial numbers at top, additional black proof of 12¢-24¢ designs without value, Very Fine. Scott No. C37P-C44P  Estimate $500 - 750. $0 (Image)