1963 Aston Martin DB4 GT is a very rare alloy-bodied car which is up for sale at the very esteemed RM Auctions’ Automobiles of Arizona event. Let us give you some dope on this luxury car. A vintage beauty, the 1963 DB4 is one of the 75 ever built on the face of the earth. In fact, this little fact makes its estimated worth close to $1 million. Come January 21 and the bidding will begin at the venue, Biltmore Resort and Spa in Phoenix....