A letter Martha Washington wrote in 1760 about her four-year-old daughter's illness sold for $47,500; the Library of Congress has acquired the rare document, its first original letter in Martha's own handwriting

• Martha Washington, America’s first First LadyA short letter written by Martha Washington in 1760, describing the recovery of her four-year-old daughter from a frightening illness, has found a permanent home at the Library of Congress.
• The document, addressed to her friend Margaret Green, was purchased for $47,500 through the Library’s James Madison Council Edwin L.