Sena‘s leather Walletbook ($52) case for the iPhone 4 is a simple holster for your favorite gadget as well as a convenient place to keep your credit cards. For minimalists, this case will keep your iPhone and your wallet contents all in one place. The case has a secure snap closure, a clear ID pocket, and room for a few credit cards and a small amount of cash. The Walletbook keeps all the essential iPhone features clear and comes in a surprising array of colors.
Head over to Sena for more.