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 2 gaming mice: Redragon Centrophorus, cable length 2m - 2,000 dinars The mouse is a year old, bought here in Belgrade, the receipt and box are not preserved, the condition is excellent, works without нареканий, RGB backlight. Razer DeathAdder Essential, cable length 1.8m - 4,000 dinars The mouse is six months old, bought in Russia, works great, also ...