1. Andreas Vesalius’ own, heavily annotated copy of the second edition of his magnum opus, De humani corporis fabrica libri septem (1555), the greatest anatomical atlas of the Renaissance and a masterpiece of medical science sold for a record $1.8m (£1.42m) at Christie’s NY.
2. This extensively annotated first edition of Euclid’s Elementa geometriae (1482) achieved a hammer price of $320,000 (£252,800).
3. This quarto edition of Shakespeare’s play The Historie of Henry the Fourth was published in 1639, and no other copy of this edition had appeared at auction since 1977, nor any copy of an earlier quarto edition since 1948. It sold for $48,000 (£37,920).