After the Romans – Pictish Kingdoms – post 350 AD

Placeholder.

see https://symbolstones.archaeoptics.co.uk/ Class 1 sites are from 350 AD. You can sort Pictish symbols by image to see spread of ideas.

see https://www.cambridge.org/core/journals/antiquity/article/development-of-the-pictish-symbol-system-inscribing-identity-beyond-the-edges-of-empire/4F09B9C943A1C29F226591A20BEC5248