LOCKABLE Military Challenge Coin Display Case Cabinet Rack Holder, LOCKABLE - Mahogany Finish (Large 29"H X 16"W X 1.75"D) MAHOGANY Finish. Solid wood frame, glass door, Wall mountable Felt interior background, Grooves on shelves to secure coins Holds 108 Standard Size Challenge Coins Gallery Quality at Factory Direct Prices. Dimensions: 29"H X 16"W X 1.75"D