- Afinsa Espaņa
 - Sells art, antiques, coins, and philatelic items. In Portugese, Spanish, and English. - Ashford Stamps
- Auctions of worldwide stamps, covers and collections. Links to New Zealand philately and postal history.
- Bandung Postal Bid
- Indonesian and international stamps.
- eBay Stamps
- Buy and sell collector stamps at eBay. Find auctions for foreign stamps, first day covers, publications, stamp collecting supplies, and more.
- H.R. Harmer, Inc.
- Offering auction services, out-right purchases, appraisals, and collection management for dealers and serious collectors.
- Investphila SA
- Specialises in philatelic auctions and postal stationaries. Offers financing services, expert reports, estimates, and stamp investments.
- Ivy & Mader Philatelic Auctions, Inc
- International 19th and 20th century mint and used stamp dealers. Auction and catalogue information available.
- John H. Talman Ltd.
- Features philatelic offers, stamp auctions, and philatelic literature listings.
- Lakeshore Philatelics
- Specialising in Canadian, German, Japanese and better worldwide stamps.
- Nordphila GmbH
- Europes biggest mail stamp-auctioneer
- Raritan Stamps
- Philatelic auction house holds quarterly mail auction featuring worldwide stamps and postal history.
- Regency Stamps, Ltd.
- Public stamp auctions featuring USA and Worldwide collectible stamps.
 Sandafayre Ltd.
- Browse and bid in online stamp auctions. Stamps and covers available and a selection of resources for stamp collecting.- Stampcore
- Offers dealer and post office stock, information, auctions, an events calendar, and more.
- Vance Auctions Ltd
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