I have 8 Antminer S3 coupons.
Value:= 0.075
Looking 0.06 for each coupon.
Valid up to 16August
You can use also for S3+ and S1 Upgrade Kit.
Oh, hey! I didn't notice these coupons until you mentioned them. I've also got two available--PM me and we'll sort out a deal. They need to be used by the 16th.
Cheers.