D-Day harbour plans to be auctioned

​%VIRTUAL-SkimlinksPromo%The original pencil drawings for the prototypes of the temporary mobile ports - the Mulberry harbours - which played a crucial role in the D-Day landings in 1944 are to be sold at auction.

The secret wartime plans, designed and drawn by the Welsh engineer Hugh Iorys Hughes in 1942, are expected to raise between 70,000 US dollars and 100,000 US dollars (£40,000-£60,000) at the Second World War sale at Bonhams in New York on June 5.