Book -- Gospels of Henry the Lion

The monks of the Benedictine monastery Helmarshausen were commissioned by Brunswick's ruler Henry and his wife Mathilde in 1188 to write the Gospels of Henry the Lion.
The book is the record of Henry's political ambitions to become one of the most powerful ruler in his era.

The book sold at auction in 1983 for 32.5 million deutsche marks or just about $12 million USD.