Celtic Silvermines
Celtic art is a difficult term to define, covering a huge expanse of time, geography and cultures.
In Ireland, it is a popular legend that the Celtic Christian cross was introduced by Saint Patrick or possibly Saint Declan during his time converting the pagan Irish, though there are no examples from this early period.
Triscal / Triquetra / Tinity Knot
Due to its presence in insular Celtic art, Celtic Reconstructionists use the triquetra either to represent one of the various triplicities in their cosmology and theology