Here is the bitcoin address that contains the Bitcoins:
1MDq7zyLw6oKichbFiDDZ3aaK59byc6CT8
I think there is a good chance you are the same as
this person.
99.9%, this is a lame scam attempt. 0.1%, the coins are somehow stolen, or otherwise associated with very bad things so that anyone who has them will be wishing they were scammed.
Stay away from this guy....
Pff ... I see that the very idea that someone can buy btc under a non-cash payment contract, and even coins will be transferred AFTER full payment, does not give you peace of mind. Apparently you sell BTC for cash and with escrow))?