You accidentally dropped your “I ❤️ NY” bookmark while browsing the poetry section at Strand. I chased after you but lost you in the stacks. Your bookmark is still safe if you want it back—plus a coffee on me?
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.