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.
Toys sale! Photos 1, 2 - 300 rubles each, 2 for 500 rubles. Photo 3 - 200 rubles each, 2 for 300 rubles. Photo 4 - 100 rubles. Photo 5 - as a gift with any purchase. Photo 6 - big book of fairy tales 600 rubles, Pushkin 400 rubles, the rest for 200 rubles. Pickup Detelinara or by agreement in the center.