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.
Cozy two-room apartment 58 m, 10th floor, panoramic view of the city. Modern furniture, everything for a comfortable stay, the house has a fitness club and a grocery store. No pets. The apartment is ready to move in. For viewing
