Here is a Corning Cornflower blue on white cornered sauce maker sauce pot. It is marked with cup and ounce marks up to 4 cups or 32 oz on the inside, and "Corning Ware Made in USA P-55-B 1 Qt Made in USA For Range & Microwave" on the outside. It is in excellent condition with no chips or cracks. This is the pyroceram glass/ceramic hybrid developed by Corning in the 1960s.
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Happy New Year! Best Wishes for a happy, healthy, and prosperous 2017.