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: city bike. Aluminum frame, size 48 cm, 28" wheels, 3x7 Shimano tourney, rim brakes, wheels without wobbles, chain regularly lubricated, front shock absorber, pump included. Didn't fit the size, not in use now. Everything works.
