To long timer's here, look what I found. Remember the necklaces on Gloria Vanderbilt in the picture with her sons?

Daily mail has an article about Paris powerful beauties of the night from the late 1880's.

Look at the picture of one Rosine Bloch, recognize that necklace? No wonder she was popular/rich;

https://www.dailymail.co.uk/news/article-6618651/The-Pretty-Women-Paris-Wealthy-prostitutes-pose-notorious-19th-Century-guide.html

Here we have evidence that these necklaces have been in use for more than 125 years, follow the wife/er/prostitutes…