There was always this rule when figuring out the difference in shoe size between mens and womens shoes. It was something like you take the mens size and subtract two sizes and that’s what it is in womens. However, after seeing this sign, I realize it’s not quite an exact science, and, believe it or not, this model seems a bit more accurate.
found here.
I have come to your site before. Great glamour photos. BTW you have a georgous website