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 am interested in selling my old coin; here are the details: Coin Year: 1971, Coin Type: Gold, Rarity: Common, Country: Other, Description: Garman coin
I am interested in selling my old coin; here are the details: Coin Year: 2011, Coin Type: Nickel, Rarity: Rare, Country: Africa, Description: 10france, burndi
I am interested in selling my old coin; here are the details: Coin Year: 1381, Coin Type: Copper, Rarity: Common, Country: Other, Description: Iran coin
I am interested in selling my old coin; here are the details: Coin Year: 1962, Coin Type: Other, Rarity: Rare, Country: United States, Description: hard stuck error n 1/ 4 off front to back