Pyrex Pyrex TRADE MARK #209 9” Clear Glass Pie Plates Set of 2 Flawless

Set of 2 Pyrex #209 TRADE MARK vintage 9-inch clear glass pie plates manufactured by Corning NY. Made in the USA. Measures 9 inches across the top (rim to rim) and about 1.5” deep. Heavy-duty, tempered clear glass designed for even heat distribution. Safe for use in the oven, microwave, refrigerator, freezer. Back-stamp & DatingMarking show bottom embossed with the model number 209 alongside vintage backstamp as TRADE MARK PYREX The classic Trade Mark block letters date between 1940 thru the 1960’s. These have very minimal wear, were not used much. Grandma used the 11 and 10” mostly. Sold as a pair due to shipping costs.