I also have Bitmain coupons for sale:
10 x $350
10 x $100
7 x $140
-50% discount for each. Will consider any offers.
Will accept Paypal / BTC / BCH / LTC / ETH or direct UK bank transfer.
Can meet in person to do transaction in London, UK of you're somewhere around.
Otherwise will happily use escrow services or you pay before I transfer them.
https://imgur.com/a/yFnx7PM or email:
val@appdelegate.me