AntMiner C1 Coupon (value 50 USD) 5 available, expire 2014-11-30 11:10:00
AntMiner S3+ Coupon (value 50 USD) 5 available, expire 2014-11-30 22:16:00
AntMiner S4 Coupon (value 400 USD) 14 available, expire 2014-11-30 22:18:00
Asking BTC0.2 for the S4 coupons (OBO) and BTC0.02 for the C1 and S3+ coupons (OBO).
You will need an account at BitMain's website to receive the coupons
Thanks!