Selling an IKEA rocking chair. Suitable for a balcony, also looks good in a home interior. Good condition, used little. We store it at home unfolded, it is easy to assemble.
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.