The official Pennsylvania Military Museum challenge coin features the museum's façade (the "Wall of Honor") and our M60 tank on one side, while the 28th Infantry Division National Shrine is featured on the opposite side. Antique gold plating with soft enamel color fill. 1 3/4" diameter. All challenge coins are placed in a PVC envelope and include an informational card on the history of the challenge coin and the Pennsylvania Military Museum.