Versace Sunglasses - Possible Pricing Error at $90 (Usually $316)

Spotted what looks like a pricing mistake on Amazon for Versace sunglasses - showing at $90 when they typically retail for $316. Over 600 sold this month according to the listing. Saw this mentioned here: [ Not sure if Amazon will honor orders if it's a glitch, but worth a shot if you're in the market for designer sunglasses.