Size - 25 Inch Company Certificate of Authenticity. The item "ROGER FEDERER SIGNED WILSON TENNIS RACQUET CERTFICATE OF AUTHENTICITY GENUINE" is in sale since Wednesday, March 14, 2018. This item is in the category "Sporting Goods\Tennis\Memorabilia". The seller is "wmaf_2014" and is located in Wollongong, New South Wales. This item can be shipped worldwide.