Antique Postcard Art by Lisa Begin-Kruysman: Vintage postcards, framed and enhanced by expanding the image of the original card onto the matting with acrylic paint.
Antique Postcard Store: Town views and real photo postcards from every continent
Back-n-Front Postcards: Old postcards and other ephemera for sale. High resolution copies of ephemera, books, maps available.
Bevere Vivis Gallery Postcards: New production postcards from original paintings by British artists. Located in the UK.
CardCow Vintage Postcards: Postcards and photos including linen, pre-linen, chrome, real photo and specialty cards from 1900 through 1960's. Includes ecards and desktop wallpaper of the available items.
Carlton Antiques: Featuring vintage subject and topographical postcards, many categories.
Cassie's Old Stuff: Offers mostly pre-1940s cards including holidays, shortwave, and airships.
Cherryland Postcard Company: Auction house for both collectors and dealers or postcards sold on approval. Includes lists.
Christine's Postcards: Online postcard marketplace. Offering vintage postcards from various eras.
Classic Postcards: Rare cards available individually, and more common ones in lots by theme.
Collectable Old Rare Postcards: Specialize in postcards from the 1900s to the 1960s in a wide variety of subjects. Offers an items wanted service.
Collections: A direct source for postcards, stamps and telephone cards. Located in the UK.
Cosmopolitan Postcard Club: Specializing in Ocean Liner postcards and collectables, menus and passenger lists.
Cottage Collectibles And Postcards: Specializing in vintage artist drawn, holiday and French hand tinted postcards as well as antique sheet music.
Country Joes Paper And Postcards.Com: Specializes in Northeastern US cards, also offering railroad timetables, road maps, and general ephemera.
Days Past: Old postcards, photographs, and postcard collector books. Located in the UK.
Doghouse Postcards: Vintage topographical and subject postcards including UK, USA, Europe, art, humor, greetings, plus air, sea and rail transportation cards.
Edwardian Delights: Features vintage postcards, prints, and photographs. Specializes in artist postcards. Located in Australia
eyeDEAL postcards: Specializes in vintage artist signed, topicals, views, greetings, and animals.
GermanPostcards.com: Many categories of vintage postcards from advertising, artist signed, military, town views, to transportation.
Half Time Scores: Specializes in cards of Franz Schubert, other composers, music, and some European countries.
Harold Jordan: Early to modern nautical postcards including merchant ships, liners, ferries, and paddle steamers.
Jerry Burton Vintage Postcards: Cards arranged by topic. Also offers movie and glamour art, and view master reels.
Jim Meher's Postal History: Mail approval of vintage postcards by topic.
jimwilsonuk: Selection of vintage topographical and various subject postcards viewed by enlarging thumbnails. Located in the United Kingdom.
Judnick Postcards: Extensive selection in alphabetical order by place and topic.
K's Memories: Wide selection of topical postcards from victorian era to white border and linens.
Lynn G's Postcards: Offers cards in a variety of subjects.
Marsha's Vintage Victorian Santa Postcards: Christmas themed cards, some artist signed. Includes a product list with a slideshow option.
Mary L. Martin LTD Postcard Collectibles: Offers cards on approval and supplies. Includes retail store information and show schedule.
Memory Lane Postcards: Cards by topic, approval service, and reference books.
Moody's Collectibles: Views of U.S. states, other countries, and an extensive list of other topics.
Moonwheel Stamps and Postcards: Includes postcards, stamps, newspapers, and magazines.
Morris A. Koshchuk: Offers a range of topical and geographic postcards, stamps, and coins. Located in Canada.
myPostcardShop: Features vintage items. Located in Germany, prices in Euros.
Nye Creek Deltiology and Ephemera: Old and new cards and other ephemera arranged topically.
Old Post Office: Specializes in postcards of Nebraska.
Old Postcards: Dealer offers old and vintage photos and postcards from Germany.
OlderPostcards.com: Specializes in depictions of the Mineral Wells and Weatherford, Texas area.
Oldpostcards.com: Offers cards by category including advertising cards, signed artists, and sports. Includes glossary, history, and chat features.
Playle's Auction Mall: Online auction specializing in postcards from various dealers. Also offers recorded music auctions.
Post Card Stop: Modern picture postcards from the U.S.A. and other countries.
Postcard Canada: Large selection of vintage postcards, stereo cards, sundry and other ephemera.
Postcard World: Old postcards for sale to collectors. Wide variety of subjects. Located in the UK.
Postcard.Com: Antique, collectible, and modern cards from a number of dealers. Search engine includes all dealers listed on site.
Postcards for Sale Network: Free listings of postcards to buy, sell or trade from dealers and collectors all over the world.
Postcards Ocean Liners: Specializes in ocean liner postcards. Located in Germany.
Postcards Org.UK: Old Postcards of England Ireland Scotland and Wales. Located in UK.
Retro-Photo: Extensive listing of vintage cards, also offers an auction catalog. Located in France.
Retrospection: Vintage and rare postcards shown with thumbnails.
Run-Of-The-Mill Postcard Sales: Specializing in vintage US views, with some foreign views available.
SCVIEW & Sons Antique Images: Antique postcards and photographs sold via want lists, approval, or online auctions. Home to South Carolina Postcard Club home page.
Shiloh Postcards: Subjects include advertising, musical, occupational, and transportation. Provides a history of postcard collecting.
Steve's Postcards: Modern cards featuring ships, trains, hovercraft, or aircraft. Located in the UK.
Sylvia Jones: Cards by British manufacturers. Located in the UK.
The Dollar Postcard Store: Offers a varied selection of vintage to modern American cards.
The Paper Penguin: Specializes in vintage cat, dog, and Santa cards.
The Picture Postcard Art Shop: Supplier of framed postcard art from early 1900s to 70s. Delivery available to England, Scotland and Wales only.
The Postcard Post: Specializes in airline and airplane themes.
The Postcardman: An extensive offering of historical postcards worldwide, located in France.
The2Buds Vintage Postcard Shop: Featuring old postcards and archival-quality supplies, such as sleeves and album pages.
Vintage Impressions: Dealers in antique postcards, victorian trading cards, first addition hardcover books, vintage paperbacks, and rare pulp magazines.
Vintage Paper: Offers rare antique paper ephemera, including postcards, photos, pamphlets, and magazines. Most items are pre-1930.
VintagePostcards.com: A full service website offering antique postcards and archival supplies.
World War One Postcards: Offers a selection of First World War military postcards including real photo, regiments, patriotic, and silks. Also offers reproductions. Located in the UK.