Posted ByCathy Grammer-Margolin on July 25, 2002 at 12:35:56:
In Reply to: Significance of "B" posted byKim on July 12, 2002 at 03:52:06:
The only mark that means anything (other than the backmarks- see backmark page), and maybe a retailer stamp is the factory number- a little number in red found on sugar bowls and some covered dishes.
The Schleigers mapped some of the factory numbers to their numbering system