A pro reveals what’s really worth the money.

In 1915, an advertisement proclaiming, "Bake in a glass!" appeared in the pages of Good Housekeeping. Corning Glass Works in New York had created a product that allowed food to be mixed, baked and ...

The collectible cookware has been beloved since 1915. Until recently, vintage Pyrex was purchased mainly by longtime devotees—or passed down from previous generations. But in the past few years, the ...