Felzmann Auction House is holding a Briefmarken Sprechstunde (stamp consultation) on May 21, 2026.
Upcoming auctions include Daniel F. Kelleher Auctions, LLC with US, British and Worldwide Stamps and Postal History on May 17 and from May 19-21; Modern Stamps, Inc. Public Auction #537, Rasdale Stamp Company Worldwide Public Auction, and Ghiglione Public Auction on May 16; Phoenix Auctions Worldwide On-Line Auction from May 18-19; Soler y Llach Numismatic Auction from May 19-21; classicphil GmbH Just Stamps and Letters Public Auction and La Postale Philatelie Internet / Mail Auction on May 20; Garden City Philatelic Auctions Public Auction No. 7 on May 23; Schuyler J. Rumsey Philatelic Auctions with The Richard Malmgren Collection of Hawaii and The Gregory Black Collection of the One Cent 1851-57 Issue on May 25, The Arthur K. Wachtel Collection of Mint Never Hinged United States Stamps on May 26, and The Boston 2026 World Expo Auction from May 26-27; Guillermo Jalil - PHILATINO Internet/Mail Sale on May 28; Van Acker Coin Auctions May 2026 from May 29-30; and Jim Forte Worldwide Stamps Net Price on May 31.