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: iPhone 16 Pro Max, black, 256GB, battery 16 cycles, purchased in March. Includes a transparent case and screen protector. Price: 1100 euros. Delivery possible by agreement.
