- Every Monday 6pm - Furniture / Appliance Auction Every Wednesday 5pm - Collectable / Tools Auction Business Days & hours: Mon & Wed. open at noon to end of auction; Tuesday noon to 6 p.m.; Saturday noon to 3 p.m. For questions, comments, consignments, consignment pickups, or to leave a bid: Rivenburgs Auction Gallery If you would like to be put on our e-mail list to receive upcoming dates and ...www.rivenburgsauction.com