Here is a beautiful guilloche enamel necklace by the Danish silversmithy MEKA (see profile). The blue enamel links each incorporate 2 hearts facing each other across a circle. Whilst the necklace is very short (36cm /14") it could easily be extended with the addition of simple jump rings.
Condition: Excellent, no visible damage
Marks: MEKA, Sterling, Denmark#
Size; 36 cm (14")