https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/481405 Skull of a cow (1816) by Jean Bernard (1775-1883). Original from the Rijks Museum. Digitally enhanced by rawpixel.

Skull of a cow (1816) by Jean Bernard (1775-1883). Original from the Rijks Museum. Digitally enhanced by rawpixel.

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