Phrenological snuff-box. The lid bears different views of the skull (anterior and lateral) with the Gall-Spurzheim areas marked out into 27 organs, each numbered. The key to these numbers is on the bottom of the box.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Phrenological snuff-box. The lid bears different views of the skull (anterior and lateral) with the Gall-Spurzheim areas marked out into 27 organs, each numbered. The key to these numbers is on the bottom of the box. Wellcome Collection. Source: Wellcome Collection.