Autographs
US civil war letter achieves $125,000 at Heritage
General Ulysses S Grant agrees to Sherman's March to the Sea
First Galileo Galilei autograph offered at Nate D Sanders
Galileo Galilei’s first surviving autograph could beat $1m
Important Thomas Jefferson letter auctions for $250,000
An important letter in which Thomas Jefferson 'waxes profound' on the American government has sold
Important and very revealing Einstein notes sell for $578,500
Notes from Einstein's The Origin of the General Theory of Relativity lecture auctioned at Christie's
Important collection of Salinger letters could deliver $150,000
Rare correspondence from the Catcher in the Rye author is certain to excite bidders at Sotheby's
$2.5m 'most important' George Washington letter for sale
The first US President's four-page letter endorsing the US constitution will auction next month
