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. Rolling pin - 200 dinars 2. New grater - 350 dinars 3. New set of sieves - 250 dinars 4. Bag/trolley on stable wheels, used for 2 months (bought at Frushka for 3000) selling for 2000 dinars in perfect condition 6. Down jacket 48/50 milk color worn for 1.5 months - 1500 dinars