This 1866 offprint of the landmark genetics paper by Johann Gregor Mendel sold for £230,000 at Christie’s.
Versuche über Pflanzen Hybriden by Gregor Mendel is a paper that marked the foundation of the science of genetics.
Fourteen examples are thought to survive of the 40 offprint copies he had arranged to have reprinted in 1866 from a Brünn-based scientific journal for distribution among colleagues and correspondents.