1939. “General Motors exhibit, Golden Gate International Exposition, San Francisco. Girls in Oldsmobile convertible coupe.” Anyone need a lift? 8×10 film negative, originally from the Wyland Stanley collection.
If you’re interested in a good book about 1930s San Francisco history, check out San Francisco in the 1930s: The WPA Guide to the City by the Bay on Amazon, originally published in 1940.