Marco Polo

The Book of Lismore consists of 198 large vellum folios.

Medieval Manuscript Returns to Ireland After Hundreds of Years in British Hands

The 15th-century Book of Lismore features the only surviving Irish translation of Marco Polo's travels, among other historical texts

"Map with Ship" has the informality of a "napkin sketch on vellum," says map expert John Hessler, suggesting its maker was not a trained cartographer.

Did Marco Polo "Discover" America?

Maps attributed to the 13th-century traveler sketch what looks like the coast of Alaska

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