As far as I can tell, the last time I featured Em.Lasker on Top eBay Chess Items by Price was Beating Dr.Lasker in a Simul (February 2013). The item pictured below was titled 'Chess book signed by Emanuel Lasker 1932 autograph' and sold for $400, 'Best offer accepted', down from an initial asking price of $600.
The item's description said,
Hard Lasker's Chess Manual 1932; The Printing-Craft Ltd., London; 349 pages with 308 black & white illustrations. This chess manual has long been considered one of the most significant works on chess ever written. First revised edition. Lasker's Chess Manual is presented in a unique style and has great historical significance. Typical for Lasker, the focus is on general principles that can be used in a variety of situations, rather than lengthy analysis of a single line or position. First English edition was published in 1927. A very good copy with an extremely scarce dust jacket. Signed by Emanuel Lasker.