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.
As the name suggests, the slim fit is a style which is closely fitted to the body with a small amount of excess fabric, thus creating a sharp, trim look. Slim fit jackets are nipped in at the waist and have narrower-cut shoulders. Trousers are cut in a slim and sleek silhouette to finish off the suit neatly.
