St Justin Pewter Brooch Interlacing Triscele BroochSt Justin Pewter Brooch INTERLACING TRISCELE Diameter 4. 6 cm a pewter brooch with embossed Interlacing triscele design. Secures to a garment by way of a pin with locking, safety catch. The Triscele is commonly found in late Celtic art and is thought to have some Roman influence, although fine examples are found in the native art of Ireland and Scotland. It is thought to represent the three realms of Celtic lore: the past, the present and the future.