Stoneline Group SL32-D-770-30-20 12" x 12" Silver Travertine Bullnose Tumbled Coping 1.25" Thickness. The luxurious Fantastic Royal Collection as is namesake suggests is suited for royalty, reminding us of palaces and places of grandeur. The Fantastic Royal has a light cream base with small irregular veins and predominantly cream patches. Its shades make this elegant surface more refined and interesting.