Pyrex vintage Yellow 4 qt bowl

Vintage un-numbered Pyrex yellow bowl. 1940s primary color largest bowl #404. No numbers on the underside. 4 quart capacity, butter yellow opal glassware line. This would be an example of the earliest colorware pieces, having no numbers on the bottom stamp and a slightly thicker rim and base ring. Approximate size: 10 ¼” diameter at the rim, 4 ½” tall, 4 ½” diameter at the base. Marked: “T.M. Reg PYREX U.S. PAT OFF” . Made in USA.