A copy of the first accurate map of Scotland — a “rutter,” a book of sailing directions — is to be auctioned this week in Edinburgh, BBC News and The Scotsman report. The “Nicolay rutter” is a 1583 copy by French mapmaker Nicolas de Nicolay of an English manuscript map made in 1543 by Alexander Lyndsay. The auction house expects the map to go for £20-30,000; it’s the first copy — there are about a dozen in existence — to come on the market in three decades. Via Map the Universe and Map History/History of Cartography.

Update, 1/11: £22,610 (via Map the Universe).