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.
For sale: Daiwa Silver Creek 2.20m 5-21g spinning rod and Daiwa Ninja 2000 reel. 150m Daiwa J-Braid x8 braid - half on the reel, half left. Plus various tackle and silicone lures. This was all used once for fishing, bought new, the spinning rod for 9500, the reel for 7000. I'll give it all for 8000 dinars.