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.
I'll give away (preferably to one person): a constructor with large parts (50 units), a puzzle with clowns, a puzzle with dinosaurs (11 cards, with a description of the dinosaur on the back), a wooden sorter. Separately - Nike sneakers, size 10c (eur 27, 160 mm), moderate signs of wear, for a kinder.