Ivory seal with incising to give required impression.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Ivory seal with incising to give required impression. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Ivory seal with incising to give required impression. Wellcome Collection. Source: Wellcome Collection.