Unique set of 23 'sea eyes' necklace with matching ring,

Unique set necklace with 23 'Sea eyes' with matching ring, in 14K yellow gold set opercula of the cats eye snail graduating in size, 144 g, L: 62 cm, ring size 53, including 2 additional opercula, 20th/21st century, minor signs of wear, handcrafted.