St Justin, Pewter Large Celtic Penannular Brooch Suitable for use with loose weave fabrics only. The Celts used knotwork to decorate many of their artifacts. To them, the intricate patterns woven into spirals and knots symbolise the continuity of life. Diameter: 78mm Supplied in a satin and velvet-lined gift box. Pewter pennanular brooch/fastener with Celtic knot detail and carbon steel pin. The pin is pushed through a loose weave garment and secured by rotating the circular section over it, just as it would have been used 1000 years ago. - Ideal 10th Wedding Anniversary Present Immediate dispatch with an estimated delivery date in around 10 working days - not the longer ETA as detailed by Amazon