Ray-Ban Wayfarer tortoiseshell glasses, lost near Town Center

I was at Town Center at Boca Raton yesterday around 3pm when I realized my Ray-Ban Wayfarer glasses were missing from my backpack. The frames are tortoiseshell with a matte finish and black temple tips, about a medium size. There's a small scratch on the right lens and a tiny engraving of GB on the inside of the left temple. These glasses were my late grandmother's and were a gift, so they mean a lot to me and I really need them back.