How much would you pay for a very rare book? Purchasing of St Cuthbert Gospel

Lynn Neary writes (NPR, 20 April 2012):

The British Library in London has just paid about $14 million to purchase Europe's oldest intact book, known as the St. Cuthbert Gospel. It's a copy of the Gospel of St. John, thought to have been produced in northeastern England sometime during the seventh century.

This book was buried with St Cuthbert in 698 and was only recovered from his grave in 1104. 

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