GriswoldCookware .com
History · collecting · research
An independent collector’s resource
American Cast Iron
History in your hands
Stories, research, photographs, and original sources for collectors of vintage and antique American-made cookware.
O’Neil Museum · Tacoma, Washington · Photo by Mary
A resource for collectors and enthusiasts of all brands of vintage and antique American-made cast iron cookware. This is an informational website; we do not sell cookware.
Explore the Collections
Begin with the people, the pieces, and the stories
People & their collections
Collectors and Collections
Meet the people who preserve this history, step inside remarkable collections, and discover the stories behind the pieces they treasure.
Photo by Mary
Look closely
Form · markings · manufacture
Pieces and Identification
Explore makers, markings, patterns, dates, and the small clues that reveal where a piece came from and how it was used.
Companies · people · places
Stories and History
Discover the people, inventions, advertising, and individual pieces that illuminate the history of American cookware.
Market knowledge
Values, Auctions, and Buying
Explore auction results, pricing, value, and thoughtful guidance for buying vintage iron.
Collector knowledge
Reproductions and Fakes
Learn to recognize reproductions, recasts, fantasy pieces, and other cast iron that may be mistaken for authentic vintage cookware.
Primary sources
Catalogs and Ephemera
Browse original catalogs, advertisements, photographs, postcards, and other historical materials from American cookware manufacturers.
Recent Posts
The latest stories, research, and discoveries from GriswoldCookware.com.
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Joseph Zawadowski
Collectors & Collecting Joseph Zawadowski Collector, Naturalist, Craftsman & Perpetually Curious Person You can’t simply describe Joseph Zawadowski as a cast-iron collector.…
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Larry and Marg O’Neil
Collector Legacy A private collection built piece by piece—and decades of knowledge shared with the cast-iron community. Their Story Larry and Marg…
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O’Neil Home and Museum G&CICA West Coast Chapter Meet
Photo above: Marg and Larry O’Neil at their farm on September 12, 2026. Marg holds a skillet sent to them by the…
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Gunner and the No. 28 Griswold “ERIE” Bread Pan
The story of Gunner Hagstrom’s remarkable antique-shop discovery: an exceptionally rare Griswold “ERIE” No. 28 single-loaf bread pan, pattern number 961.
Explore the Article Archive
Browse by subject, search for a particular piece or manufacturer, or explore the complete collection of published articles.
Collectors & Collections
People, profiles, and remarkable collections.
Pieces & Identification
Individual pieces, manufacturer’s markings, and identification guides.
Stories & History
Companies, people, discoveries, and original research.
Values, Auctions & Buying
Auction results, pricing, and buying guidance.
Reproductions & Fakes
Reproductions, recasts, fantasy pieces, and comparisons.
Catalogs & Ephemera
Original catalogs, advertisements, and other historical sources.
A collector’s reference
About the Website
We write about vintage and antique American-made cast-iron cookware, including Griswold, Wagner, Lodge, and many other makers. Our goal is to make the history, identification, and enjoyment of old cast iron accessible to collectors and enthusiasts.
Explore remarkable collections, download original catalogs, investigate a maker, learn about values, or follow the history of an unusual piece.
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