This is an authentic HERMES Epsom Collier de Chien CDC Bracelet S in Black. Collier de Chien simply means 'dog collar' and this sporty bracelet replicates the elements of a dog collar in a way that is sophisticated and stylish. It has a lovely black leather band in durable epsom leather, a polished gold plated plaque with four studs and a ring and a gold plated stud adjustment plate.