Pyrex 209 Pie Plate Pre-1950s TM Reg 9.5 Inch Clear Glass Vintage USA

Pyrex 209 Clear Round Pie Plate, a rare early production piece of American kitchen history. This 9.5-inch vintage dish features the TM Reg backstamp, identifying it as a pre-1950s manufacture. Crafted from the heavy-duty borosilicate glass that made Pyrex famous, this plate is designed for superior heat distribution and durability. A must-have for collectors of early 1940s kitchenware or for those who appreciate the weight and quality of antique American glass.  Brand: Pyrex  Model Number: #209  Era: Pre-1950s (Identified by TM Reg stamp)  Type: Pie Plate / Baking Dish  Size: 9.5 Inches  Material: Early Clear Borosilicate Glass  Condition: This item is in good pre-owned condition. It shows light, distributed scratching across the surface from normal kitchen use. There is one more noticeable flaw/scratch as shown in the detailed photos. No chips or deep cracks.