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.
1. Powerbank Xiaomi 10000. Old, but working. 200 din. 2. PC (simple, without frills) - complete, fully functional, excellent condition. Time, speed, etc. 900 din. 3. Pump - 300 din. 4. Smartphone bag (suitable for any, excellent condition) - 900 din. You can pay in rubles to the card. Grbavica.