http://www.potsaa.com/roses-plate/

Does anyone have information about "White Ironstone Plate" They are an old white plate with scalloped edges.
United States is withdrawing in the back. Who makes them? When were they made? Did Homer Lauglin buy dishes and used in the manufacture of other dishes like "Plate Irish Rose"?
Here's a history book for this product: http://www.mjdtools.com/books/151397.htm
Cain and Annabelle – Wildwood Roses – WDVX Blue Plate 20090303