Betty Mae in NY Public Library 1956...
... , Betty, a Bettie Page look-a-like, doing public shoots for her new calendar, attempting to compete with Bettie Page, according to the Sven Boqvist story at www.thepennpals.com
4.25mm · f/2.4 · 1/40s · ISO 125
Now this clearly shows the correct result to the exposure data. 4 stars