Challenge Coin/Casino Chip/Antique Coin Display Case Holder Cabinet - OAK Finish (COIN56-OA) Made from solid wood. Dimensions: 17.5"H X 14"W X 1 3/4"D (Exterior) Groove on shelves to keep coins in place. The grooves are not design to let the coins be inserted and stand vertical. The grooves are only there for the coins to grip and NOT slide down flat. Wall Mountable Hinged glass door No assembly is requied, comes in one piece.