Mysterious rock depicted in 15th-century painting is most likely a Stone Age tool
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Mysterious rock depicted in 15th-century painting is most likely a Stone Age tool
https://arstechnica.com/science/2023/10/mysterious-rock-depicted-in-15th-century-painting-is-most-likely-a-stone-age-tool/
Why medieval painter Jean Fouquet chose to depict Acheulean hand ax remains a mystery.