It's the latest model MD711LL/B. Bestbuy listed it as price is: $854.99 +tax, I would sell it for just 855 you would save the tax. I don't put the pictures here because it's an unopened box. Text me or reply here if you are interested. My cell number is 650-seven nine eight 9460. Cheers~

The link of bestbuy is here:
http://www.bestbuy.com/site/apple-macbook-air-latest-model-11-6-display-intel-core-i5-4gb-memory-128gb-flash-storage/2711892.p?id=1219076160044&skuId=2711892&st=11%27%20macbook%20air&cp=1&lp=2