2029 Madison Road, Cincinnati, Ohio 45208
About Auction House Don Treadway held his first auction in 1980 after five years as a private dealer exhibiting at shows across the US and Europe. 1987 Brought the beginning of a 30 year auction run in Chicago, creating a presence in the art and design movement world wide. Treadway, from its beginning, was the first auction house to not only specialize in the 20th century design movement, but to also guarantee the objects they sold. Today they continue that tradition of providing outstanding customer service and record-setting results.