Auction April 14, 2010 through May 20, 2011. The Copley collection included American historical documents, one of the few extant document signed by Button Gwinett of Georgia, Copley's Mark Twain collection, a July 1776 broadside printing of the Declaration of Independence, a second selection of American historical documents, the Henry Strachey papers, a third selection of American historical documents, and John Lansing's notes from the Constitutional Convention. A total of 1064 lots. Detailed descriptive information and historical background about significant items. Color illustrations.