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.
For sale: new mini-fan for iPhone (Lightning connector). You just plug it into your phone and the breeze blows as if you're on a yacht, not at a bus stop in Novi Sad. Miniature, blows with character. New, hasn't even seen dust)
Wireless miniature ears. Purchased at the Temu store. Designated as TWS (whatever that means). The sound is quite good. Compact, fast charging. New, used only a couple of times, still on the factory charge.