Isis' Wardrobe: The bared bosom in 17th and 18th century art. it is interesting to think about in an age that produced Jane Austen etc. such clothing styles modeled after undergarments were the thing. with necklines so low the bosom would often become exposed and fabric so sheer and clingy little was left to the imagination.
Circa 1930 Fine Twin Natural Pearl & Diamond Demantoid Ring