Anyways, the researchers' findings were confirmed by Egyptian murals, which only show striped cats. The gene causing blotched or spotted coats began to appear in Europe during the Middle Ages.
The mosaic above comes from the House of the Faun, in Pompeii, during the early Roman Empire. Roman cats, which were descended from Egyptian cats, were striped too.
Notes and Sources
National Geographic History, November/December 2017. "Finicky Felines Take Their Time with Domestication." Pp. 4 - 5