This piece is just over 2″ tall, 4-3/4″ wide at the flared rim, and 4-1/4 wide at the mouth. The base of the pottery is stamped only with a raised mark, the shape number E11, and was most likely produced by ZSC in the 1930s.
Handsome Vintage Zanesville Stoneware Co. Early Cabinet Bowl #E11 Matte Green