[bi-metal, brass, smooth edged]		[clay bricks, cobblestone]

Since the weight and size are finely balanced, the Austrian 50 Schilling coin could be quite savory on a roll at an unpredictable terrain such as the Vaticanīs outside piazza. This would be an interesting matchup. The coin should be able to handle its own for a considerable amount of time before the terrain takes hold of the momentum.