Liberia, 1942, 10¢ rose, Plane & Air Route, trial color proof in dark green (Scott C37), design as issued, but without value tablet or American Bank Note Company imprint below; wonderfully fresh India with die number 83107 and plate nail impression above, die sunk on rough-surfaced 226 x 150 mm card, Very Fine. Suggested Bid $250-350 (Image)

Suggested Bid $250-350