From what I can see of it, the car they're standing next to looks like a 1935 Ford Tudor Sedan and probably belonged to Opal who had been called back to Nebraska from her legal career in Boston to take care of her aging mother sometime in 1934/35.
By 1936 Opal was an attorney at the Home Owners' Loan Corporation, a New Deal agency set up to deal with the collapse of the home mortgage market after the 1929 stock market crash.
[Courtesy of Olive Kennedy]
**The woman in the middle is described merely as "a friend."
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