In January, 2009, a William Foor hotel platter went up for sale on ebay. The description listed was, "The William Foor Hotels oval restaurant ware china plate/platter, 7 X 10.50 inches, decorated rim, signed Albert Pick & Company, Warwick Chicago. Dish is in good condition, no chips or cracks, does have some staining,/discoloration under glaze, also some staining along seams on underside(looks like oxidation).
The item had one bid and sold for $4.99 (shipping $8.10) on January 20th, 2009.
Photo of platter sent by ebay seller and used with permission.