Clogau royal clogau sterling silver 9ct rose gold oak stud earrings 3sole02 mighty oaks from little acorns growas the national tree of wales the royal oak is famous for being the hiding place of king charles ii during the battle of worcester in 1651 symbolising strength and endurance the mighty oak is often associated with royalty it is in commemoration of the trees significance in british history that we have named this beautiful collection these elegant sterling silver and rose gold