The stamp auction calendar is filling fast, with a steady stream of events that showcase everything from classic British issues to exotic Mexican covers. Kicking off the week, the Athens General Sale wraps up on September 10, offering a concise selection of British and Commonwealth stamps that appeal to both new and seasoned collectors. The following day, Harper Field’s September auction concludes on September 11, featuring a mixed lot that includes Australian Kangaroo issues and a handful of rare British specimens. That same evening, Cavendish Philatelic’s Derby auction also ends, presenting a balanced mix of worldwide and Great Britain material, from early Victorian essays to mid‑20th‑century postal history.
Stanley Gibbons rounds out the early September run on the 12th, delivering a broad catalogue of Commonwealth stamps that highlights recent thematic series. Two days later, MacLean & Associates closes its September 14 sale, spotlighting niche items such as early Canadian imperials and a curated set of British commemoratives.
Mid‑month activity spikes with two concurrent events on September 17: Dunbar Sloane Wellington’s Single Owner collection, rich in Australian and British varieties, and Premier Auction House’s Collectibles Countdown, which adds a notable block of rare Australian Kangaroo stamps to the mix. The Cotswold Auction Company follows on September 23, offering a mixed lot that blends British Victorian specimens with a handful of striking world issues. Harmers Stamp Auctions caps the month on September 29, presenting a curated selection of high‑value British classics and a few continental rarities.
October sees a flurry of deadlines. Ace Stamp Auctions and Felzmann’s e‑auction both finish on October 5, each delivering strong Australian themes—Ace with its Kangaroo and KGV issues, Felzmann with a discounted lot of rare global stamps. Harper Field’s October auction ends on the 9th, adding fresh Canadian and US material. Premier Auction House’s American Sale concludes on October 11, emphasizing iconic U.S. definitive series. Spink’s Mexican “KMC” collection wraps up on October 15, offering a deep dive into Mexico’s postal history. Grosvenor Philatelic’s Autumn Auction ends on October 30, showcasing a premium British lineup that includes Queen Victoria specimen sheets, Mulready caricatures, and the strike post.
The season closes with heavyweight events: Centennial’s New Hampshire live sale on November 11, Rasdale’s public auction on November 16, Harmers International’s December 8 showcase of British classics, and Halls Holdings’ Books, Coins and Stamp auction on December 10. Collectors have a packed itinerary of high‑quality stamp offerings through the fall and early winter.
Based on 38 digest summaries · Generated September 9, 2025
