The Machine Era Wallet ($28+) is a modern minimalistic wallet that provides the functionality you need to carry all of your essentials. It’s made from a single piece of metal and holds 2-6 cards. Cash can be held either in the back or the front. You can get your wallet in either 6061 high grade aluminum finished in black anodized aluminum or made completely in brass for $45. And because its only 3.65″ x 2.48″ and .25″ thick it can be carried in the front or back pocket.