This type of cat became famous in Hong Kong and typically is a solid blue-gray with copper eyes and a chunky body. 
Tsim Tung Brother Cream:  After disappearing in 2012, he became one of the most famous cats in Hong Kong. British Shorthair:  The most familiar color variant is the "British Blue", a solid blue-gray with copper eyes, medium tail, but the breed has also been developed in a wide range of other colours and patterns, including tabby and colorpoint.
i don't know