Family Chooses Miller & Miller Auctions to Sell 90-years Old Petroliana Treasure Hoard Found in Kitchener Basement WATERLOO REGION, Ontario, June 01, 2017 (GLOBE NEWSWIRE) -- Items discovered include a rare art-deco porcelain Supertest sign valued at $4000-$6000, an early one-piece En-ar-co “slate boy” gas pump...