Say you’re poking around your grandmother’s attic, and you find a milky-white glass candy dish with a duck lid. Or maybe you’re at a garage sale, and you run across an opaque white glass pitcher for ...

Milk glass, with its creamy, opaque glow reminiscent of moonlight captured in glass, has been a beloved collectible for over a century. Whether due to age, brand prestige, or manufacturing quirks, ...