Amazon offers the Ray-Ban New Wayfarer 52mm Sunglasses in Black/Green, model no. RB2132, for $68.95 with free shipping. That's a buck under our mention (of a wider selection) from three weeks ago and the lowest total price we could find by $10, outside the offer below. They feature G-15 lenses, which provide 100% UV protection.

Looking to shop a wider selection of styles and sizes? aSavings via eBay offers the Ray-Ban Wayfarer or Aviator Sunglasses in 10 styles (Tortoise Wayfarer pictured) for $69.99 with free shipping. They're available in sizes 52mm, 55mm, 58mm, or 62mm, although not in all size/color combinations. They're a price low by at least $9.