My 64 chip credits of $25 off each = $1,600 off, sold in 4 groups of 16, you can buy 1-4 groups, PM me, you can pay in cash or BTC, $15x64=$960, if you want escrow that is at your expense since I am a know person and not going to cheat anyone.
Proof:
http://expertcollector.com/users/maxa/BFL-64-chip-credits.pngAnyone looking to buy BFL chips would need some margin to be bothered with chip credits and I think $10 margin on $25 credit is a good balance.