Katie Waltman Designer necklaces are chic and classy! This double coin charm necklace interchangeable charm necklaces 4 in 1 style is no exception. Our new collection of charm necklaces have interchangeable drops that can be worn 4 different ways. The classic 18" gold filled satellite chain has been a customer favorite for years, and now these pieces come with charms that can be added or subtracted. Fabricated using the highest gold plating technology and material, to add longevity to all of her beautiful pieces.