I am appealing to the deep knowledge base of the club. I collect Steuben plates primarily. This purchase has me scratching my head. Here are the positives: Color matches another Blue Aurene. Base has the correct angle. Pontil mark on the bottom is correct. Question mark is the size. 8 3/8″. It sits ½” high base width is 5 ¼”. Now the minuses. Pontil on top is not the typical rounded over center. It is fluted. I went through numerous photos and never saw a fluted plate. Can you solve the mystery? Brad Withers