If you look through a Tyee (U of W yearbook) from the early 1960’s, there are tons and tons of photos of girls wearing dark sweaters with that neckline and a string of pearls. They had an almost infinite resource available for photo parts.
And I do want to make it clear, I posted that ONE image of that (unnamed) girl only as an example. But HOW that cloning tool works as shown in the video, is fascinating.