Thanks for the linkthe old stuff is good - usually better than the new stuff.
sometimes you'll find a real bargain at junk shops and yard sales.
I found a 10" Griswald for $10 - but at a dealer / antique shop it's likely they know the stuff is more valuable . . .
here's a good guide of brands to look for and things to watch
The Kitchn’s Guide to Buying Vintage Cast Iron Cookware
Once you go vintage, you'll never go back.www.thekitchn.com
Do this.Go to Target or WalMart and buy a Lodge cast iron skillet