Authentic Glasses via eBay offers the Ray Ban Unisex Wayfarer Sunglasses in Dark Havana, model no. RB 2132 902-52, for $74.99 with free shipping. That's the lowest total price we could find by $14. They feature a plastic frame and 100% UV protective coating.
Shnoop offers the Ray-Ban Unisex Tech Aviator Sunglasses in Brown Gradient, model no. RB4211, for $75 with free shipping. That's tied with our mention from a week ago and the lowest total price we could find by $35. They include a Ray-Ban leather case.