Public domain image of a vintage map, geography atlas, maritime navigation, age of discovery, 16th-17th century, free to use, no copyright restrictions - Picryl description
Public domain image of a nautical map, chart, navigation pilot guide, free to use, no copyright restrictions image - Picryl description
Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.