Erika Hult de Corral know by her signature 'RIC' studied at the Paris affiliate of New York's Parsons School of Design...Erika Hult de Corral worked with Sigi Pineda & Enrique Ledesma before moving to Puerto Vallarta & opening her own shop in 1966. Most if her early work is stamped with the eagle 3 mark and Taxco as is this cuff bracelet, indicating that her designs were executed by Taxco silversmiths. Her work is very modern reminiscent of Danish modern designs with its clean contoured lines..