But those bygone brands (Wagner shuttered in 1952 and Griswold closed up shop in 1957, right around the time Teflon was popularized), along with most antique cast-iron cookware, have grown ...
A cast-iron skillet builds up a naturally nonstick seasoning ... to mid-20th century by now-defunct companies like Wagner and Griswold has skyrocketed. Now that more people are seeking out these ...