https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13954322
A man pounding a mixture with a pestle and mortar - an emblem from a drug jar. Watercolour.
A man pounding a mixture with a pestle and mortar - an emblem from a drug jar. Watercolour.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use