Voynich Manuscript

Date Made: 1404–1438 CE (radiocarbon)

Location Discovered: Rediscovered at Villa Mondragone, Italy

Rough Size: ~9 × 6.5 in pages; ~240 pages

Materials: Vellum, inks, pigments

Mystery: Completely undeciphered writing and unusual botanical/astronomical diagrams; no successful translation despite advanced cryptanalysis.