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: Panasonic Lumix DC-FZ82 camera. The camera has a 60x optical zoom, great for taking photos from a distance: nature, sports, travel. Key features: 1/2.3" MOS sensor, 18.1 MP, Leica lens, 60x optical zoom (3.6–216 mm), Electronic viewfinder, 3" touchscreen, 4K and Full HD video recording, Hybrid autofocus, manual modes (PASM), Image stabilization (O....