In July, I posted about a rare first English edition of Machiavelli's The Prince (1640) that the head of British auction house Keys found during a collection evaluation. Needless to say, Keys considered it a "very exciting find" and expected to bring in between £25,000 to £30,000 ($30,992 to $46,488) at auction. Unfortunately, bidders were not as enthusiastic and the book failed to sell. As a result, the book will go back before bidders again on Thursday at a lower price, £15,000 to £20,000 ($24,358.50 to $32,478). So, if you're interested in this item and missed out on bidding the first time, here's a second chance!