Proxiblog this week was sponsored by

Leonard Auction

Leonard Auction is seeking assignments (deadline, July 6) for its monthly auction slated July 20. Download consignment form by clicking here.

Leonard Auction, located in Addison, Illinois, is a premiere Chicago auction house and estate liquidation firm that has won multiple awards on Proxiblog in such categories as photography, lot descriptions, consignments and overall best house. Leonard Auction also has detailed consignment policies that secure some of the best coin lots on the Proxibid portal. The company not only knows numismatics but also protects buyers, as this post illustrates, noting the Leonard policy on coin authenticity and emphasizing why Leonard Auction ranks among the most trusted on Proxibid.

Leonard Auction has a reputation for experience, integrity, and superior technology–core values of founder and appraiser John Leonard–that propelled his house to the top echelon of auctioneering. The company’s first auction house in Naperville, Ill., opened in 2006. Business boomed, prompting the company a year later to relocate to its current site in Addison, Ill., featuring more than 8,000 square feet for ample display.

Leonard Auction’s onsite prowess combines with digital savvy to bring the excitement of an auction to coin buyers on Proxibid. The company conducts a series of auctions each month, generally on the third weekend. Its Friday night Coin & Currency auction features 300-400 lots of high-end collectible coins, currency, gold, silver, platinum and stamps.

We thank John Leonard and Leonard Auction for sponsoring Proxiblog’s scholarship fund to help ease student debt and create the next generation of auction-house bidders! If you would like to sponsor a week’s worth of Proxiblog, email


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