Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
Am greatly happy to present such a beautiful work to you my client, am sure my recent client appreciated my efforts and here requesting you to deal with me for such happiness of getting a such masterpiece