Unknown Stoneware Vase covered with Volcanic navy and gray glaze.

The images above are of a ceramic jug / vase that is docorated with what appear to be Greek design and an volcanic gray and navy glaze. I am not really formilur with it's origin and or it's maker. It measures 9 1/2 inches tall and 12 1/2 in diameter. If anyone has information pertaining to the origin and or maker, please feel free to comment.