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.
Selling the remaining children's books! 1. "Kysh and Dvaportfelya", 600 din. 2. Everything from the "School Library" for 450 din. (Neznayka sold) 3. "The Little Man on the Wall" and "The Magician's Hat" (Moomin Trolls) for 400 din. 4. Remaining thin books for 250 dinars Self-pickup, Grbavica