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: Beats Solo 2 wireless (B0534) Bluetooth headphones. Good bassy headphones with the option of connecting a cable. I'll give you any cable you want, with or without a microphone, even silver-plated. No modern codecs or noise reduction. They already have good noise isolation. SBC, AAC, and a normal microphone, that's all they have, microUSB charging p...