A Superb High Quality Arsenal Shirt Signed By: Arsenal FC Winger – Gabriel Martinelli. All items come with COA and are guaranteed for life!! A SIGN OF THE TIMES. WE HAVE BEEN IN THE AUTOGRAPH BUSINESS FOR OVER 20 YEARS AND WE ARE PROUD TO BE MEMBERS OF THE UNIVERSAL AUTOGRAPH COLLECTOR’s CLUB. HAS A CODE OF ETHICAL STANDARDS & BY-LAWS THAT WE ABIDE BY AND ALL OF OUR ITEMS ARE ISSUED WITH A CERTIFICATE OF AUTHENTICITY WHICH IS YOUR LIFETIME GUARANTEE. CHEQUES ARE ONLY ACCEPTABLE WHEN DRAWN ON BRITISH BANKS IN POUNDS STERLING.