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 a separate BEKO freezer, used for about a year. Works great, very spacious, convenient shelves. Selling due to relocation. Price 25,000 dinars. Pick-up from Grbavica, I can help with delivery if needed