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Leonardo da Vinci (ed. Sabachnikoff & Piumati) · 1898

Leonardo’s anatomical studies are categorized into different groups; "Folio Series A" (Fogli A) focuses largely on the skeletal and muscular systems, created around 1510–1511.
Teodoro Sabachnikoff (1867–1912) was a Russian patron of the arts who financed these high-quality facsimile editions to make Leonardo's work accessible to scholars.
Piumati was a specialized scholar tasked with deciphering and transcribing Leonardo’s unique "mirror writing"—script written from right to left.
Mathias-Duval was a prominent 19th-century French professor of anatomy and histology.
Anatomical study of the human head in profile, illustrating the musculature of the face and the structure of the ear.
original: "M DCCC XCVIII"