Froogle:
Developed by Google, Inc. One of the most promising price comparison sites to date.
BizRate:
One of the largest price search sites. Over 30 million products listed.
Shopping.com:
Child of Dealtime and Epinions, now merged to provide you with three shopping search engines that feature your products separately, yet the same.
Yahoo Shopping:
Complete Yahoo Shopping data feed creation and maintenance solutions.
MSN Shopping:
Complete MSN Shopping data feed creation and maintenance solutions.
NexTag Shopping:
Complete NexTag data feed creation and maintenance solutions.
PriceGrabber Shopping:
Complete PriceGrabber data feed creation and maintenance solutions.
Cartoline di Sapere
Current issue postcards with artistic themes. Located in Italy.
The Postcard Post
Specializes in airline and airplane themes.
SCVIEW - Antique Images
Antique postcards and photographs sold via want lists, approval, or online auctions. Home to South Carolina Postcard Club home page.
Classic Postcards
Rare cards available individually, and more common ones in lots by theme.
Cartcom Lorraine
Subscription service to receive current issue advertising postcards from Lorraine, France.
Old Post Office
Specializes in postcards of Nebraska.
The Paper Penguin
Specializes in vintage cat, dog, and Santa cards.
Back-n-Front Postcards
Old postcards and other ephemera for sale. High resolution copies of ephemera, books, maps available.
Postcards Org.UK
Old Postcards of England Ireland Scotland and Wales. Located in UK.
Vintage Impressions
Dealers in antique postcards, victorian trading cards, first addition hardcover books, vintage paperbacks, and rare pulp magazines.
More Postcards Sites