Super rare 1960's Vendome bib necklace

Vintage 1960's signed Vendome gold plated bib necklace. So rare that I couldn't find one exactly like it online. The pictures aren't doing it justice. It's a rich yellow gold tone with some minimal wear signs. For some reason it's looking really wishy washy in the photos. This piece is also signed and has its original jewellery tags on it. The bib part measures 4 inches across and 5 inches long. End to end the necklace is 18 inches but the chain is adjustable with a hook clasp and rolo chain.