Felzmann Auction House is holding the 186th Felzmann Auction from March 25-27 & 30-31, 2026, featuring flight and zeppelin mail, individual lots, extensive collections, and a special catalog of autographs; also, a stamp consultation will be held on March 19, 2026.

StampAuctionNetwork is holding auctions including Daniel F. Kelleher Auctions, LLC with US, British and Worldwide Stamps and Postal History from March 17-19 and US Coins Auction from March 31-April 1, and Postiljonen International Spring Auction 247 from March 17-20. Americana Stamps is holding Winter 2026 - US Stamps and Postal History from March 20-22, Sam Houston Philatelics, Inc. has Internet, Mail, and Phone Auction 3133 on March 20, Millennium Philatelic Auctions 86 on March 20, and Postiljonen International has The Åland Islands Specialised Auction #248 on March 20. Mowbray Collectables has a Public Stamp Auction on March 21, Sterling Stamps has Mail Bid/Internet/Live Internet on March 21, Phoenix Auctions has a Worldwide Public Auction on March 23, abacus auctions has Australia, Australian Colonies & Territories, Pacific Islands and Worldwide Stamps, Postal History & Picture Postcards, Militaria & Medals, Coins & Banknotes, Sporting Memorabilia & Collectables from March 24-27, Cherrystone Auctions has Rare Stamps and Postal History of the World from March 24-25, and Schuyler J. Rumsey Philatelic Auctions has The Robert D'Elia Collection of Ecuador on March 24 and The Dr. James Milgram Collection of Western Postal History from March 25-26. David Feldman SA has Auction Series: Specialised Switzerland on March 25, StampAuctionNetwork has Worldwide Singles and Sets on March 25, Corbitts has a Public auction and David Feldman SA has Auction Series - Part I of the Tomasini Collection of Sicily and Part I of the Tomasini Collections of Classic Great Britain, and Romano House of Stamp Sales has Worldwide Stamps, Postal History, Banknotes & Coins all on March 26. AuctionGallery AG has a Worldwide Auction of Italian Rarities on March 27, Ava Auctions Limited has China & Worldwide Stamps and Postal History from March 28-29, Garden City Philatelic Auctions has Public Auction No. 6 (Postal History) and Auto Hammer Golden Oak Online Auctions has U.S. Gem Series on March 28, BEHR Philatelie has a Worldwide Internet/Mail Auction and Guillermo Jalil - PHILATINO has an Internet/Mail Sale on March 19 and April 1, Heinrich Koehler Auktionshaus has a Public Auction: German and International Philately from March 20-28, Nordphila e.K. has a Mail auction on March 30, Jim Forte has Worldwide Stamps Net Price on March 31, Eastern Auctions Ltd. has Collectors Mail Auction and Vance Auctions has a Worldwide Internet/Mail Sale on April 1.