Well I've been through all the U.S. sources both written & personal & its come down to this is possibly European because it doesn't match up with anything U.S. 9" diameter, 4" height, very small base, blue has some very faint whiteish streaks in the base, base is a very tall straight ring type, bowl is very heavy (thick) for its size. I'm not at all familar with European opaques so I'm lost here. Thanks for the help. Ken