From the Howard Cannon Photograph Collection (PH-00192). Stamped on verso: "Edward J. Allen Associates, INC. Nevadas Largest Photographic Organization P.O. Box 4253 - Las Vegas Nevada 89106"
Description given with photograph: "Howard Hughes after landing in New York after a high altitude flight from Los Angeles during which he tested a new two-ounce oxygen mask. With him were (L to R): Charles Perrine, Glenn Odekirk, and Harry Connor."