Raynor Hubbell Exposition Advertising Card. Lovely multi-color flag design (Megson GC270B, Cat. $200) with Pan-Am "Buffalo" in star field, card franked with 1¢ Bureau Issue & five different Exposition labels tied by Buffalo slogan machine cancel & Erie, Pa. arrival machine cancel, Extremely Fine and choice, a scarce card. Estimate  $200 - 300. $0 (Image)