Sell me your graphics cards , post offers

We buy graphics cards , we try to buy over 4-5 at a time.

All graphics cards must be top end and well packaged.

We will fund an escrow will all deals.

All graphics cards sent to china to join our farm , http://zcash-cloud.com

Thank you , best wishes

What does "top end" mean? I have a bunch of GTX 1060s that I'd like to upgrade to 1070s. Any interest?