Extraordinary Hugh Duffy Single Signed 1940's American League Baseball. One of only two Hugh Duffy single signed balls known to exist.Comes with full letter PSA DNA COA. We offer the finest in Sports Memorabilia and autographs. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls". The seller is "showpiecessports" and is located in this country: US. This item can be shipped to United States, China, Mexico, Germany, Japan, Brazil.