Find antique china sets, including cups and saucers, through antique dinnerware dealers such as SilverQueen.com and HavilandChina.net, which belongs to brick-and-mortar store Scott's Haviland China. Etsy.com also has listings of antique china, as does Replacements.com.
Search for antique china sets through dealers that specialize in or have vast knowledge of antique china, such as SilverQueen.com and Replacements.com. While Replacements.com sells many items by the piece, the site also carries sets in some antique patterns.
The store Scott's Haviland China carries many antique china sets in its Des Moines, Iowa location, as well as offering some china sets for sale on HavilandChina.net.