George Groves Signed Rubiks Cube. This is a great chance to own a rare signed item. These were signed for us at our private signing. This was George's Second private signing with us. All our items come with a certificate of authenticity. Please note signature position on the item you receive may vary from the one shown in the description. We are Sportsmania Events and bring sports personalities to the public domain by way of shows and signings such as Collectormania, London Film and Comic Con and Autographica. Our sister company is Montage Moments Ltd. We currently have a back ...