A great pair of (a women's) legs.
This is a really old
slang phrase an old retired
teacher told me they use to say when he was a kid, I believe it dates back to the early 1930s. Her legs were insured for a million dollars a decade before
Betty Grable. It was difficult to find any reference to her online or by talking to LLMs, but eventually perplexity helped me find about two sources for verification.