Anne Vallayer-Coster Was a Painter for Marie Antoinette—Here are 3 Things to Know About the 18th-Century Artist Smashing Expectations at Auction

Alexander Roslin, Portrait of Anne Vallayer-Coster (1783). Collection of the Crocker Art Museum, Sacramento, gift of Alan Templeton. She painted Marie Antoinette but survived the Reign of Terror, she was…