First Trans-Atlantic Flight Issue. 1938, 10k black and red, bottom left corner sheet margin block of four, watermark ''1'' at the bottom edge, minor marginal flaws at left, full OG, NH, VF (Image)

First Trans-Atlantic Flight Issue. 1938, 50k brownish violet and red, horizontal imperforated pair, enlarged margin at right, right stamp with slight gum wrinkle as often, full OG, LH, VF (Image)