Black Cos Necklaces first surfaced on Chictopia's streetstyle gallery in Winter 2009 seen on Paris blogger bentrance of thesheltermode.blogspot.fr. She wore her black COS necklace with a Isabel Marant skirt, silver Zara t-shirt, and black Zara blazer. Since then, Black Cos Necklaces have grown in popularity as bloggers from Paris have discovered them. Black Cos Necklaces are generally seen in trendy style.
There are currently 2 streetstyle photos of bloggers wearing Black Cos Necklaces.