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.
Cort CR100 guitar. The guitar is in excellent condition, sounds and tunes. New Elixir strings, frets recently polished. There were chips on the body, polished and varnished.