Double disc (Pictish symbol)
The double disc is a Pictish symbol of unknown meaning, that is frequently found on Class I and Class II Pictish stones, as well as on Pictish metalwork. The symbol can be found with and without an overlaid Z-rod (also of unknown meaning), and in combinations of both (as with the Monifieth 1 stone).
- Fraser, Iain (2008), The Pictish Symbol Stones of Scotland, Edinburgh: Royal Commission on the Ancienct and Historic Monuments of Scotland
- Graham-Campbell, James (1991), "Nome's Law, Fife: on the nature and dating of the silver hoard", Proceedings of the Society of Antiquaries of Scotland 121: 241–259, retrieved August 2, 2010
- Clark, J Gilchrist (1880), "Notes on a Gold Lunette found at Auchentaggart, Dumfriesshire, and a Massive Silver Chain found at Whitecleugh, Lanarkshire, exhibited by His Grace The Duke of Buccleuch.", Proceedings of the Society of Antiquaries of Scotland 14: 222–224, retrieved August 1, 2010