The record office said the Raymond Frostick Map Collection included maps where the North Sea is described as the German Ocean - a term often used until World War I - and King's Lynn was called three different names - Linn, Lyn and Lin.

BBC: Rare Norfolk maps added to county archive

One item his collection no longer includes is that Java map I liked so much--that's mine now.

FORBES: Prime Source

Mr Lane took a special interest in the two patches, learning that the British Museum had never determined what was under them even though the map had been in its collection since 1866 and was on show in 2007 as part of the quadricentennial of Jamestown, Virginia, the site of England's first permanent colony in America.

ECONOMIST: The mystery of Roanoke