What it's worth, by category
Value guides one category at a time: the maker's marks, patterns, variants and condition flaws that separate the valuable piece from the ordinary one, with the details to check before you price it.
How to tell if your cast iron is valuable
Griswold and Wagner marks, gate marks, and the condition flaws that separate collectible from ordinary.
Read the guide →Vintage Pyrex patterns worth money
How pattern names, rare colorways, and print condition decide what a piece is actually worth.
Read the guide →What old film cameras actually sell for
Why a working shutter and a clean lens matter more than a shiny body.
Read the guide →