Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Youngs, Susan, ed. (1989). "The Work of Angels": Masterpieces of Celtic Metalwork, 6th-9th centuries AD. London: British Museum Press. p. 92. ISBN0-7141-0554-6.
"Annual Meeting of the Yorkshire Philosophical Society and Opening of the New Museum". Yorkshire Gazette. 1830-02-06. p. 2.