Nautical chart of the Mediterranean and Black Sea circa 1320-1350 likely from Genoa, Italy. Hand draw with pen and ink on vellum

Nautical chart of the Mediterranean and Black Sea circa 1320-1350 likely from Genoa, Italy. Hand draw with pen and ink on vellum

AF Fotografie / Alamy Stock Photo

Image ID: DR88J1

Portolan or portulan navigational chart of the Mediterranean and Black Sea circa 1320-1350 likely from Genoa or Venice Italy. Hand draw with pen and ink on vellum, the chart was created using compasses and visual observation, for this reason it's accuracy is confined to coastal areas where landmarks can be used to give bearings. The lines represent the thirty-two headings on a mariner's compass.

Location: Genoa, Italy