Sphere Auctions LLC
Updated October 9, 2026
| Location | 686 Progress Wy #15, Sun Prarie, Wisconsin, 53590 · auctions in Sun Prarie |
| Phone | (608) 338-5322 |
| Upcoming auctions | 6 · next: September 25, 2026 |
| Listed on Auction Hawk | 19 auctions since August 6, 2026 |
About Sphere Auctions LLC
Sphere Auctions LLC is an auction house based in Sun Prarie, Wisconsin. Auction Hawk has listed 19 of its auctions since August 6, 2026; 6 are upcoming, with 1,999 lots across jewelry & watches, sports & trading cards, antiques & furniture, firearms & militaria, held in Sun Prairie, Denham Springs. Its sales run online with bidding through the house's catalog, so you can bid from anywhere.
How to bid with Sphere Auctions LLC
- Open an upcoming auction below for the date, location and full catalog with photos.
- Follow the catalog link to the bidding platform and register (free) before the sale.
- Bid live, leave absentee bids, or set a maximum bid; online sales close lot by lot at the listed time.
- Questions about pickup, shipping or condition: call (608) 338-5322.
Upcoming auctions (6)
- Elite Showcase Sports & Collector Cards and Memorabilia — Sun Prairie, Wisconsin · September 25, 2026
- Watchmaker & Watch Consignment — Sun Prairie, Wisconsin · September 26, 2026
- Vintage watches Omega,Bulova,Hamilton and more — Sun Prairie, Wisconsin · September 30, 2026
- Vintage Sterling Silver & Native American Jewelry 15 — Denham Springs, Louisiana · October 1, 2026
- Vintage collectible and advertising — Sun Prairie, Wisconsin · October 2, 2026
- Vintage Items, Collectibles, and Antiques — Sun Prairie, Wisconsin · October 9, 2026
What Sphere Auctions LLC sells
- Jewelry & Watches — 693 lots in upcoming sales
- Sports & Trading Cards — 138 lots in upcoming sales
- Antiques & Furniture — 98 lots in upcoming sales
- Firearms & Militaria — 48 lots in upcoming sales
- Tools & Shop Equipment — 36 lots in upcoming sales
- Toys & Collectibles — 24 lots in upcoming sales
Past auctions
- Vintage Silver & Native American Jewelry 17 — ended September 18, 2026
- Vintage Costume & Silver Jewelry — ended September 17, 2026
- Gold, Silver Coins and Bank Notes — ended September 16, 2026
- Antiques Coins,Pens and Advertising — ended September 7, 2026
- EXCLUSIVE WATCHES AND POCKET WATCHES 14 — ended September 4, 2026
- Vintage Silver & Native American Jewelry 16 — ended September 3, 2026
- Vintage Sterling Silver & Native American Jewelry 14 — ended August 27, 2026
- Kevin Shail Antique Collection 4 electric fan — ended August 23, 2026
- Vintage watches Omega,LaCoulture,Bulova,Hamilton and more — ended August 20, 2026
- Vintage Custom,S.Silver & Native American Jewelry — ended August 17, 2026
Other auction houses in Wisconsin
- Wilkinson Auction & Realty Co., LLC — Muscoda (6 upcoming)
- Smith Auctions LLC — Baldwin (4 upcoming)
- Horst Auctioneers — WESTBY (3 upcoming)
- Imkahlng Auctions — Verona (3 upcoming)
- Hamele Auction Service LLC — Portage (3 upcoming)
- Gavin Bros. Auctioneers LLC. — Reedsburg (3 upcoming)
- Wagenson Auction Service, LLC — New Lisbon (2 upcoming)
- Aron Auctions — Wind Lake (2 upcoming)
All upcoming Wisconsin auctions →
Frequently asked questions
Where is Sphere Auctions LLC located?
Sphere Auctions LLC is based in 686 Progress Wy #15, Sun Prarie, Wisconsin, 53590. Phone: (608) 338-5322.
What does Sphere Auctions LLC sell?
Recent catalogs from Sphere Auctions LLC are mostly jewelry & watches, sports & trading cards, antiques & furniture, firearms & militaria, tools & shop equipment — 1,999 lots across its 6 upcoming auctions.
How do I bid with Sphere Auctions LLC?
Open an upcoming auction below for the date and catalog. Its sales are online: follow the catalog link, register on the bidding platform, and place bids or absentee bids before the closing time, or call (608) 338-5322 with questions.