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 any antique cast-iron cookware, have grown ...

At a cast-iron manufacturer in South Carolina, vintage skillets and other items arrive the worse for wear — and return to their owners with a gleam.

Produced by renowned American manufacturer Griswold, this cast iron is prized for its craftsmanship ... standout piece among collectors of vintage cookware, with pieces in good condition selling ...