Unnumbered First Edition Vintage Pyrex Yellow Mixing Bowl 4 Qt. Bowl 404

Vintage 1940s Pyrex primary yellow mixing bowl, a 1st generation piece featuring iconic thick-walled milk glass. The base carries the early 'T.M. REG. PYREX U.S. PAT. OFF.' stamp.  Vintage bowl shows signs of age consistent with a 1st generation piece from the 1940s. Visible surface scratches, small paint nicks, and minor scuffing on the yellow exterior. Interior shows light utensil marks but remains glossy. Bottom stamp is faint but legible. No chips or cracks.  Brand: Pyrex Type: Mixing Bowl Color: Yellow Material: Borosilicate Glass Era: 1940s Generation: 1st Gen Capacity: 4 Quarts Pattern: Primary Colors Origin: USA  Measurements: • Diameter: 10.5 • Height: 4.5  Keywords: Mid-Century Modern, MCM, Farmhouse, Kitsch, Retro Kitchen, 1940s, Collectible Glass, Milk Glass, Primary Set, Americana, Cottagecore, Heavy Duty, Ovenware, Vintage Pyrex, Replacement Piece