Photograph of an unidentified aircraft (tail number NX2939), circa 1910s-1930s. "Big Bear Lake, Calif." Is painted on the fuselage, along with emblems for Sammy Mason's Hollywood Hawks and Kendall oil.
Photograph of people with an unidentified aircraft, circa 1910s-1930s. The man and woman in the foreground hold a propeller. "Checkered Air Service" is painted on the aircraft's tail.