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.
How do I reach Coinbase support? To reach Coinbase support [1^803 910 0908], visit their Help Center at help.Coinbase.com. You can search answers to common questions or seek support [1^803 910 0908]. If you require further help, the Contact Us [1^803 910 0908] option will enable you to chat or email them for support. How do I fix Coinbase issues? To resolve ...