For sale Oakley C Six Prototype. Please note, This is not a frame or sunglasses. These are prototypes before they become real sunglasses. This is a one off Oakley C-Six prototype.C-Six are super rare to find. If you are lucky and can find one, but t. Its got machining / tooling marks visible along with some pencil markings indicating corrections required prior to mass manufacturing. Had to relist this because. Will most probably hand deliver if you are in 100 miles radius of Leamington Spa. Please google C Six in case you think these are expensive. This item is in the category "Clothes, Shoes & Accessories\Men\Men's Accessories\Sunglasses & Sunglasses Accessories\Sunglasses". The seller is "amd109" and is located in this country: GB. This item can be shipped worldwide.