The Whitehall Products Cape Charles Address Plaque displays your address in style. The address plaque is made from rust free cast aluminum providing excellent quality. A classy emblem adds distinction and charm to the top of this house number sign. The Whitehall Products Cape Charles Address Plaque displays your address in style. The address plaque is made from rust free cast aluminum providing excellent quality. A classy emblem adds distinction and charm to the top of this house number sign.