Corning Corelle Winter Frost White serving pieces

Pattern: "Winter Frost White" by Corning in the Corelle Livingware Line. Sometimes described as "coupe", all white. Most pieces are Vitrelle, some pieces are Pyrex and some are stoneware, please specify if possible.
Salt and Pepper Set (Not oversized)
Gravy Boat with Underplate
Quarter Pound Covered Butter with Cover

Pictures at Replacements