"Early Einstein manuscript set to make a relative fortune," by Alison Abbott. Nature, 12 September 2002.
A 1913 Einstein-Besso Working Manuscript of 50 handwritten pages will be auctioned by Christie's in New York on October 4 and is expected to fetch between US$500,000 and US$700,000. This manuscript is one of around 2,500 items in Harvey Plotnick's private collection of letters, manuscripts, and books on theoretical physics. "The manuscript includes mathematical calculations, carried out by Besso under Einstein's guidance, which test whether early versions of Einstein's general-relativity equations could account for an anomaly in Mercury's orbit that Newton's theory of gravity couldn't fully explain."
--- Annette Emerson