I found this millstone on the beach in Stonehaven. As it's name suggests, Stonehaven was famous for producing some of the finest millstones. The quarry was in operation from the 1800's to the 1940's. It was a good thing that my son Jason was with me that day so that he could carry it off. The quarry was owned by a "King" Amos Seaman...there must be something in the salt air here that has people calling themselves King or Queen. LOL