The Coelbren y Beirdd (English: "Bards' lot") is a script created in the late eighteenth century by the Welsh antiquarian and literary forger Edward Williams, best known as Iolo Morganwg.[1][2] Morganwg presented wooden druidic alphabets to friends and notables, and succeeded in persuading many of its authenticity.A Welsh Bardic and Druidic essay, written by his son Taliesin Williams and published as a pamphlet in 1840, defended the authenticity of the alphabet and won the Abergavenny Eisteddfod in 1838.Iolo Morganwg suggested they were originally the work of bards from Glamorgan who had their manuscripts copied into collections stored at Plas y Fan, Neath Abbey, Margam Abbey and Raglan Library, and compiled by Meurig Dafydd and Lewys Morgannwg, amongst others, in the 1700s.Morganwg suggested that he had collected some of Siôn and Bradford's manuscripts, while the majority, including all of Lewys Morgannwg's sources, were lost.