This ad was featured in the May 1946 Crockery and Glass Journal on page 15. The set of egg cups are actually the same size; the curve of the binding on the book distorts them. Here is an image of the egg cup: http://chataboutdg.com/gallery/details.php?image_id=19676
The pieces were distributed by Newland, Schneeloch and Piek, Inc. and the freight was F.O.B. Jeannette, Pa which may be a clue to the actual manufacturer.
