unmarked antique earthenware pottery platter, old molded fruit creamware

Old unmarked (American?) deep well earthenware platter, 1920s vintage, at our best guess. It's 11 3/4" long across the patterned rim.

The shape is art deco style with stepped corners, though the classical molded fruit design looks much older. There's very little discoloration, and no chips or cracks, though this does have some scratching and utensil marks from use.