Sotheby's To Bring A Most Rare Shakespeare First Folio Under The Hammer In New York On July 21

This First Folio has spent the last 399 years in private hands; on July 21 Sotheby's Rare Books Department will bring it under the hammer. The estimates range between $1.5-$2.5 million. Its publication in 1623 saved 18 plays from being lost. Here's its backstory.