Protein. The package was accidentally opened about 3 months ago, and the storage period after opening is 2 months. For your price, Center or by agreement
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.