This folded map (890mm x 1000mm when unfolded) is an ideal souvenir for tourists to Derbyshire and also a valuable reference resource for local and family history research. It includes 4 Historic maps of Derbyshire, John Speed's County Map of Derbyshire 1611, Johan Blaeu's County Map of Derbyshire 1648,Thomas Moule's County Map of Derbyshire 1836 and the detailed Town Plan of Derby 1806 by Cole and Roper. All the maps have been meticulously re-produced from antique originals and printed on 90 gsm "Progeo" paper which was specially developed as a map paper. It has high opacity to help reduce show through and a cross grain giving it greater durability to as the map is being folded.