Rob Gronkowski JSA Autographed Patriots Jersey COA w/ Display Case. The item "Rob Gronkowski JSA Autographed Patriots Jersey COA with Display Case" is in sale since Wednesday, September 18, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Jerseys". The seller is "mikomear_2" and is located in Baltimore, Maryland. This item can be shipped to United States.