One of a collection of around 125 monochrome watercolour drawings of Irish lighthouses and the Irish coastline produced c.1860-67 which sold for £4000 overall at Forum Auctions.
They are the work of Robert Calwell, an influential Commissioner of Irish Lights and author of A Short History of the Lighthouses of Ireland.
The collection sold for £4000 at the March 22 auction in London.
