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: 1) Braun hair dryer, in perfect condition, practically unused - 3000 dinars 2) Mosquito net (opened, saw that it did not fit the size) 500 dinars 3) Simulator? Rubber band? 200 dinars View and pick up in the area of Sajmiste