Shnoop via eBay offers the Ray-Ban Unisex Original Wayfarer Cosmo Collection Sunglasses in Mars, Mercury, or Jupiter, model no. RB2140, for $54.99 with free shipping. That's the lowest total price we could find by $10, although we saw them for $7 less in March. They feature an acetate frame, polycarbonate mirror lenses, and 100% UV protection.