Celtic Four Seasons Knot in hallmarked 925 sterling Silver. Significance of Four Seasons: Spring, Summer, Autumn & Winter ruled all aspects of ancient cleric world. This design reflects the linking of the seasons as we journey through the year, as it is repeated throughout eternity. Protection & healing are the attributes of this charm. Dimensions: 22mm x 22mm Hallmarked 925 Sterling Silver Chain: 1mm thick. Available in 16, 18, 20. Celtic Knot Pendant - Vintage Four Seasons- Hallmarked 925 Sterling Silver- Edinburgh, Scotland