Proof Set Auctions

Clarks Auction Rooms is holding auctions throughout September 2026 featuring selected silver, jewellery, art, antiques, coins, and collectables.

Pandolfini Casa d'Aste Genova auctions fine art and watches, featuring artists such as Carla Accardi, Giacomo Balla, and Vassily Kandinsky. The house also lists prominent watch brands including Breitling, Chopard, and Hublot.

Sovereign Rarities specializes in ancient, hammered, and modern coins, featuring items such as a 1711 Gold Five Guineas and a 1908 China Silver 7 Mace & 2 Candareens. The house also offers a range of medals and bullion.

Love of the Game Auctions specializes in baseball cards and memorabilia. The auction house features items from the 19th century through the present day, including a significant number of autographs.

Sparks Auctions (open by appointment only) is holding a Stamps & Postal History of Asia live auction on July 21, 2026, featuring Lot 190, a People's Republic of China 1964 souvenir sheet.

Forsythes' Auctions specializes in antiques, with a particular focus on early furniture, coverlets, quilts, and smalls. The house also features Asian art, including Chinese porcelain and Japanese woodblock prints.

Numismatica Ars Classica is holding auctions on May 26, 2026, featuring items such as the Domitius Domitianus Aureus from Auction 165.

Harris Estate Services specializes in auctions featuring coins, jewelry, silver, fine and folk art, and extraordinary collectibles. The house has also recently featured estate guitars and mid-century furniture.

Lot 14 Auctions is holding a General and Coin Consignment Auction on August 28, 2026.

Legacy Auctions specializes in estate sales and auctions across Florida and Illinois, offering a diverse range of items from both regions. Their online presence features current, upcoming, and past auctions, accessible through platforms like Live Auctioneers and HiBid.

Upcoming auctions include a parcel of cut gemstones and diamonds closing on September 1st, featuring an Ethiopian opal, matrix opal, and sapphire, alongside rubies, garnets, and diamonds. Also on September 1st, a single-vendor collection of silver, diamond, and costume jewellery will be offered, including sterling silver cuffs and hinged pieces.

The Coin Cabinet is holding the Celestial I - 东亚方孔古钱珍 (Cash Coin Sale) on September 3, 2026, followed by the Kallista V - Premium Ancients Sale on September 4, 2026, and the British & World Auction 133 - Live Sale - BP 20% on September 10, 2026.

Downies Collectables is holding an auction on October 1, 2026, featuring the Australian Opal Wings Blue Triangle Butterfly 2026 $2 Opal 1oz Silver Proof Coin.

Gulfcoast Coin & Jewelry features numismatic coins and bullion. Their offerings include items like the 1oz Gold Eagle Proof with Original Government Packaging.

Bullock Auction House is holding a Bullion Auction on Monday, September 7th, 2026, featuring over 700 lots of silver, gold, and platinum, including Eagles, Buffalos, bars, rounds, and various gold coins. An Antiques, Advertising & Trains Auction and an Estate Treasures & Collector Finds Auction are also scheduled, with the latter offering over 1,100 lots of antiques, collectibles, jewelry, coins, and militaria. The Great Model Train & Slot Car Auction will feature vintage and modern model trains and slot cars.

Upcoming auctions include an Estate Collectible Auction - Part 2, with viewing on Saturday, September 12, and the auction running from Sunday, September 13 to Tuesday, September 15, featuring sports, glass, china, vintage decor, books, sculptures, spirits, instruments, and art.

Ellis Willis & Beckett is holding a timed online auction of Antiques and Collectibles from August 23rd until September 6th, and a valuation day at Dunston Hall on September 1st.

Stephan Welz & Co | Johannesburg is holding a Premium September Auction from September 14-17, 2026, and a Themed Comic Book & Collectable Auction ending on September 27, 2026.

Crombie's Auctioneers is holding a Tuesday Live Sale on September 22, 2026, featuring Gold, Silver, Jewellery, Collectables, and Antiques.

Acre Land Buyers specializes in purchasing land for cash in Omaha, Nebraska. They offer a fast, stress-free process for selling land in any condition, including parcels with back taxes or zoning issues.

Corbett Auctions & Appraisals Inc. is holding an online auction on September 3, 2026, featuring a 2012 Takeuchi TB235 Excavator, tractors, and lumber, followed by a live onsite auction on September 4, 2026, with firearms, sports memorabilia, and coins. Upcoming auctions in September include a consignment auction on September 16 with firearms and an ATV, classic cars and motorcycles on September 17, and live onsite auctions on September 18 for classic vehicles and development land. The month concludes with a live onsite auction on October 3 in Tendoy, ID, offering vehicles, firearms, and equipment.