Margueritte the Magnanimous (circa 1134 AD) was said to have once walked on this cobblestone, and declared that the stonework looked like a butterfly but felt like walking on a hive of bees. (No doubt where Ali came up with his now-famous statement about his boxing.) By the way, none of this statement can be even remotely verified and you should assume that it has been entirely made up. What can be believed is the following:
This set of 4 cobblestone-themed coasters was sculpted from polymer clay and hand painted. There is a protective resin coating on the top and a cork backing.