Granite Mill Stone #3 SoldAdded December 3, 2018.Nice, small mill stone from New Hampshire with 2 holes. It measure 22″ in diameter x 7.5″ thick. Great garden or patio ornament. It could also be built into a stone wall, deck or walkway. Cost: $450 Go Back support@billrose.net2021-03-12T13:45:08+00:00