Reverse of a personal two-page letter to Alma G Donaldson as a result of a chance encounter on a street in Oyster Bay, New York. Mdme. Shoumatoff noticed the Georgia number plate on Mom's 1963 Dodge Polara.
Wikipedia: "Elizabeth Shoumatoff (1888 – 1980) was an American painter who was best known for painting the Unfinished Portrait of Franklin D. Roosevelt. Other paintings included Lyndon B. Johnson and Lady Bird Johnson. Shoumatoff was born into an aristocratic family on October 6, 1888, in Russia. Her brother Andrey Avinoff was a prominent entomologist and artist. Elizabeth Shoumatoff emigrated to the United States in 1917, and eventually made her home on Long Island."