The Dunnichen Stone is a class I Pictish symbol stone that was discovered in 1811 at Dunnichen, Angus. It probably dates to the 7th century AD.
Wikipedia https://en.wikipedia.org/wiki/Dunnichen_Stone
Address (Unnamed Road), Dunnichen DD8 2, United Kingdom
Coordinates 56°37'41.219" N -2°48'5.564" E