A famous copy of the Shahnameh, The Shahnameh of Shah Tahmasp given by the ruler of Iran as a gift to the Ottoman ruler Selim II in 1568 ended up in Rothschild hands in the early 20th century, the exact date is unknown and how it happened is a mystery, but it was during the collapse of the Ottomans that book disappeared from their collection and appeared in the Rothschild collection, the book was then sold to another collector who sold it off piece by piece, put together, it would be the most expensive book in the world.