AI Just Helped Identify a Long-Lost F.C.B. Cadell Painting Bought for Under $100

When Helene Plotkin purchased a painting of a seated woman at a White Plains thrift store sixty years ago, she bought it because she liked it. A former art student, she admired its colors and brushwork, and the price was right: she remembers it costing under $100. Now, thanks to Ms. Plotkin’s eye, her son’s curiosity, and a little help from the Google chatbot Gemini, her family is more than $250,000 richer.  Verified by specialists as an original canvas by noted Scottish artist