[silver, nickel-silver, ridged] [ceramic tiles, groutless]

The bi-metalled Canadian Two Dollar coin — or Toonie — would not be a good pick on a roll at a great flooring such as the underground cross-concourse tunnel at Atlanta´s Hartsfield Airport. This would be an interesting matchup. The coin should be able to handle its own for a considerable amount of time before the flooring takes hold of the momentum.