I have 4 AntMiner S2's for sale.
All have been hosted in a cool, clean data-center environment for the duration of their lifetime (6-8 weeks), and I've been the sole owner of these machines. They may have minor scrapes and scratches externally, but are in perfect working condition, hashing solidly and steadily at ~1TH each.
Price is $1550 firm, which includes shipping to the lower 48. If you want to buy all 4, the price is $5800.
Escrow available (buyer pays fees). Serious buyers PM me to purchase.