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 set of soft furniture: 1. Armchair L*W*H (109*89*92 cm) with a defect - visible in the photo, 2. Small sofa (not folding) L*W*H (160*89*92 cm), 3. Large sofa (folding) L*W*H (202*89*92 cm), bed width 140 cm. Price 180 euros. Pick-up in the Mercator area