All presentation plaques are made of mahogany wood. Each plaque is hand carved and hand painted which make it easier for MilitaryPlaques.Com to follow your custom design specifications. You can have your logo carved in the wood in 3D relief. A short dedication inscription can also be carved in the plaque. Another option is to a lot a space for your challenge coin. For the challenge coin holder we will need the coin actual dimensions: Diameter and depth, and we will take care of the rest.