Sierra Auctions

Island Auction LLC (IA) is holding an auction on September 2nd featuring a 1979 Chevy High Sierra 4x4, vintage Snoopy & Peanuts movie posters, two boats, vinyl albums, coins, currency, Zippos, 8 tracks, hunting bows, ammunition, fishing gear, knives, and a 1979 Triumph Motorcycle.

Gold Country Treasures specializes in estate sales, farm and ranch liquidations, and business liquidations. They help families and businesses simplify the process of selling off accumulated assets.

Auktionshaus Rapp specializes in jewelry, watches, coins, stamps, and designer bags. The Swiss auction house boasts worldwide reach for valuable objects and offers personal consultations.

Hero Haven offers a wide selection of Marvel-themed collectibles, including action figures from ZD Toys and Hot Toys, as well as costumes and helmets. The site also features buildable model kits from Blokees.

Kidd Family Auctions is holding an online-only auction of antiques, collectibles, and quality household items closing on September 11th, followed by a fall tool and equipment sale closing on September 18th, and an online-only currency, jewelry, and art sale closing on September 25th. Upcoming auctions also include a handgun sale closing on October 8th and a petroliana plus sale closing on October 9th.

Auctions cars, trucks, vans, agricultural equipment, aircraft, ATVs, boats, construction equipment, motorcycles, RVs, snowmobiles, and various trailers.

Sotheby's Institute of Art is holding the tenth annual TIAMSA conference, "Art as Luxury, Luxury as Art: Markets and the Making of Value," from October 22–24, 2026, in New York.

Caring Transitions of Southern Arizona specializes in online estate sales and liquidations through its CTBids.com platform. The company offers comprehensive services for senior relocation and downsizing, aiming to manage all aspects of a transition for families.

Auktion + Galerie Rapp specializes in jewelry, watches, coins, stamps, and designer bags. The Swiss auction house has been operating for 55 years and offers worldwide reach for valuable objects.

Antwerp Auctions is holding auctions for Schadewagens, Personenwagens & LCV, Tesla, and VW - AUDI - SKODA, all concluding on September 18, 2026.

Auctions cars, trucks, vans, agricultural equipment, aircraft, ATVs, boats, construction equipment, motorcycles, RVs, campers, and various trailers.

Bidera Auctions features government surplus auctions, with a strong emphasis on vehicles from municipal departments. Lots often include police cars, public works trucks, and heavy equipment.

Auctions film props and scripts, including uncollected items from AMC of America.

Monthly Online Whisky Auctions specializes in rare and collectible whiskies. The house connects connoisseurs with coveted bottles from around the globe.

Frederick Andrews Ltd is holding a Sheerness Antiques & Collector's Auction including Collectables, Gold, Silver, Jewellery and Other Interesting Items on July 10, 2026.

Hampel Fine Art Auctions specializes in Old Master Paintings, 19th & 20th Century Paintings, and Impressionist & Modern Art. The Munich-based house offers exceptional objects and exciting bidding battles.

Auctions gold, silver, diamonds, emeralds, and other fine jewelry.

Auctions general items, including antiques, collectables, and board game collections.

Peter Francis Auctioneers is holding a Welsh & Summer Fine Sale on July 8 and an Antiques, Furnishings & Collectors sale on July 29.

Downies Collectables features coins from The Perth Mint, Royal Australian Mint, and The Royal Mint. The site showcases new arrivals including the Australia Television 70th Anniversary 50c Colour Cupro-Nickel Uncirculated Coin and the Batman 2026 $2 A Death in the Family Silver Proof Coin.

Urban Auctions is holding a Vinyl Record & CD Auction from September 18 to September 26, and a Metal Detector Auction from September 29 to October 3. A Video Game Auction is scheduled from October 6 to October 10.